123290388

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{2011}}^1$

素因数の和:2165

約数の個数: 72

約数和(自身を含む): 338354016

約数和(自身を除く): 215063628

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 131, 156, 234, 262, 393, 468, 524, 786, 1179, 1572, 1703, 2011, 2358, 3406, 4022, 4716, 5109, 6033, 6812, 8044, 10218, 12066, 15327, 18099, 20436, 24132, 26143, 30654, 36198, 52286, 61308, 72396, 78429, 104572, 156858, 235287, 263441, 313716, 470574, 526882, 790323, 941148, 1053764, 1580646, 2370969, 3161292, 3424733, 4741938, 6849466, 9483876, 10274199, 13698932, 20548398, 30822597, 41096796, 61645194, 123290388]

約数ペア:

[(1, 123290388), (2, 61645194), (3, 41096796), (4, 30822597), (6, 20548398), (9, 13698932), (12, 10274199), (13, 9483876), (18, 6849466), (26, 4741938), (36, 3424733), (39, 3161292), (52, 2370969), (78, 1580646), (117, 1053764), (131, 941148), (156, 790323), (234, 526882), (262, 470574), (393, 313716), (468, 263441), (524, 235287), (786, 156858), (1179, 104572), (1572, 78429), (1703, 72396), (2011, 61308), (2358, 52286), (3406, 36198), (4022, 30654), (4716, 26143), (5109, 24132), (6033, 20436), (6812, 18099), (8044, 15327), (10218, 12066)]