28305258228

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{263}}^1\times {\mathrm{4339}}^1$

素因数の和:4678

約数の個数: 144

約数和(自身を含む): 78823704960

約数和(自身を除く): 50518446732

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 53, 78, 106, 117, 156, 159, 212, 234, 263, 318, 468, 477, 526, 636, 689, 789, 954, 1052, 1378, 1578, 1908, 2067, 2367, 2756, 3156, 3419, 4134, 4339, 4734, 6201, 6838, 8268, 8678, 9468, 10257, 12402, 13017, 13676, 13939, 17356, 20514, 24804, 26034, 27878, 30771, 39051, 41028, 41817, 52068, 55756, 56407, 61542, 78102, 83634, 112814, 123084, 125451, 156204, 167268, 169221, 181207, 225628, 229967, 250902, 338442, 362414, 459934, 501804, 507663, 543621, 676884, 689901, 724828, 919868, 1015326, 1087242, 1141157, 1379802, 1630863, 2030652, 2069703, 2174484, 2282314, 2759604, 2989571, 3261726, 3423471, 4139406, 4564628, 5979142, 6523452, 6846942, 8278812, 8968713, 10270413, 11958284, 13693884, 14835041, 17937426, 20540826, 26906139, 29670082, 35874852, 41081652, 44505123, 53812278, 59340164, 60481321, 89010246, 107624556, 120962642, 133515369, 178020492, 181443963, 241925284, 267030738, 362887926, 534061476, 544331889, 725775852, 786257173, 1088663778, 1572514346, 2177327556, 2358771519, 3145028692, 4717543038, 7076314557, 9435086076, 14152629114, 28305258228]

約数ペア:

[(1, 28305258228), (2, 14152629114), (3, 9435086076), (4, 7076314557), (6, 4717543038), (9, 3145028692), (12, 2358771519), (13, 2177327556), (18, 1572514346), (26, 1088663778), (36, 786257173), (39, 725775852), (52, 544331889), (53, 534061476), (78, 362887926), (106, 267030738), (117, 241925284), (156, 181443963), (159, 178020492), (212, 133515369), (234, 120962642), (263, 107624556), (318, 89010246), (468, 60481321), (477, 59340164), (526, 53812278), (636, 44505123), (689, 41081652), (789, 35874852), (954, 29670082), (1052, 26906139), (1378, 20540826), (1578, 17937426), (1908, 14835041), (2067, 13693884), (2367, 11958284), (2756, 10270413), (3156, 8968713), (3419, 8278812), (4134, 6846942), (4339, 6523452), (4734, 5979142), (6201, 4564628), (6838, 4139406), (8268, 3423471), (8678, 3261726), (9468, 2989571), (10257, 2759604), (12402, 2282314), (13017, 2174484), (13676, 2069703), (13939, 2030652), (17356, 1630863), (20514, 1379802), (24804, 1141157), (26034, 1087242), (27878, 1015326), (30771, 919868), (39051, 724828), (41028, 689901), (41817, 676884), (52068, 543621), (55756, 507663), (56407, 501804), (61542, 459934), (78102, 362414), (83634, 338442), (112814, 250902), (123084, 229967), (125451, 225628), (156204, 181207), (167268, 169221)]