31989132

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{2081}}^1$

素因数の和:2159

約数の個数: 72

約数和(自身を含む): 93973152

約数和(自身を除く): 61984020

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 61, 63, 84, 122, 126, 183, 244, 252, 366, 427, 549, 732, 854, 1098, 1281, 1708, 2081, 2196, 2562, 3843, 4162, 5124, 6243, 7686, 8324, 12486, 14567, 15372, 18729, 24972, 29134, 37458, 43701, 58268, 74916, 87402, 126941, 131103, 174804, 253882, 262206, 380823, 507764, 524412, 761646, 888587, 1142469, 1523292, 1777174, 2284938, 2665761, 3554348, 4569876, 5331522, 7997283, 10663044, 15994566, 31989132]

約数ペア:

[(1, 31989132), (2, 15994566), (3, 10663044), (4, 7997283), (6, 5331522), (7, 4569876), (9, 3554348), (12, 2665761), (14, 2284938), (18, 1777174), (21, 1523292), (28, 1142469), (36, 888587), (42, 761646), (61, 524412), (63, 507764), (84, 380823), (122, 262206), (126, 253882), (183, 174804), (244, 131103), (252, 126941), (366, 87402), (427, 74916), (549, 58268), (732, 43701), (854, 37458), (1098, 29134), (1281, 24972), (1708, 18729), (2081, 15372), (2196, 14567), (2562, 12486), (3843, 8324), (4162, 7686), (5124, 6243)]