263421756

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{271}}^1$

素因数の和:392

約数の個数: 144

約数和(自身を含む): 754044928

約数和(自身を除く): 490623172

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 31, 36, 39, 52, 62, 67, 78, 93, 117, 124, 134, 156, 186, 201, 234, 268, 271, 279, 372, 402, 403, 468, 542, 558, 603, 804, 806, 813, 871, 1084, 1116, 1206, 1209, 1612, 1626, 1742, 2077, 2412, 2418, 2439, 2613, 3252, 3484, 3523, 3627, 4154, 4836, 4878, 5226, 6231, 7046, 7254, 7839, 8308, 8401, 9756, 10452, 10569, 12462, 14092, 14508, 15678, 16802, 18157, 18693, 21138, 24924, 25203, 27001, 31356, 31707, 33604, 36314, 37386, 42276, 50406, 54002, 54471, 63414, 72628, 74772, 75609, 81003, 100812, 108004, 108942, 109213, 126828, 151218, 162006, 163413, 217884, 218426, 236041, 243009, 302436, 324012, 326826, 327639, 436852, 472082, 486018, 562867, 653652, 655278, 708123, 944164, 972036, 982917, 1125734, 1310556, 1416246, 1688601, 1965834, 2124369, 2251468, 2832492, 3377202, 3931668, 4248738, 5065803, 6754404, 7317271, 8497476, 10131606, 14634542, 20263212, 21951813, 29269084, 43903626, 65855439, 87807252, 131710878, 263421756]

約数ペア:

[(1, 263421756), (2, 131710878), (3, 87807252), (4, 65855439), (6, 43903626), (9, 29269084), (12, 21951813), (13, 20263212), (18, 14634542), (26, 10131606), (31, 8497476), (36, 7317271), (39, 6754404), (52, 5065803), (62, 4248738), (67, 3931668), (78, 3377202), (93, 2832492), (117, 2251468), (124, 2124369), (134, 1965834), (156, 1688601), (186, 1416246), (201, 1310556), (234, 1125734), (268, 982917), (271, 972036), (279, 944164), (372, 708123), (402, 655278), (403, 653652), (468, 562867), (542, 486018), (558, 472082), (603, 436852), (804, 327639), (806, 326826), (813, 324012), (871, 302436), (1084, 243009), (1116, 236041), (1206, 218426), (1209, 217884), (1612, 163413), (1626, 162006), (1742, 151218), (2077, 126828), (2412, 109213), (2418, 108942), (2439, 108004), (2613, 100812), (3252, 81003), (3484, 75609), (3523, 74772), (3627, 72628), (4154, 63414), (4836, 54471), (4878, 54002), (5226, 50406), (6231, 42276), (7046, 37386), (7254, 36314), (7839, 33604), (8308, 31707), (8401, 31356), (9756, 27001), (10452, 25203), (10569, 24924), (12462, 21138), (14092, 18693), (14508, 18157), (15678, 16802)]