31561452

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{3967}}^1$

素因数の和:4007

約数の個数: 72

約数和(自身を含む): 90994176

約数和(自身を除く): 59432724

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 17, 18, 26, 34, 36, 39, 51, 52, 68, 78, 102, 117, 153, 156, 204, 221, 234, 306, 442, 468, 612, 663, 884, 1326, 1989, 2652, 3967, 3978, 7934, 7956, 11901, 15868, 23802, 35703, 47604, 51571, 67439, 71406, 103142, 134878, 142812, 154713, 202317, 206284, 269756, 309426, 404634, 464139, 606951, 618852, 809268, 876707, 928278, 1213902, 1753414, 1856556, 2427804, 2630121, 3506828, 5260242, 7890363, 10520484, 15780726, 31561452]

約数ペア:

[(1, 31561452), (2, 15780726), (3, 10520484), (4, 7890363), (6, 5260242), (9, 3506828), (12, 2630121), (13, 2427804), (17, 1856556), (18, 1753414), (26, 1213902), (34, 928278), (36, 876707), (39, 809268), (51, 618852), (52, 606951), (68, 464139), (78, 404634), (102, 309426), (117, 269756), (153, 206284), (156, 202317), (204, 154713), (221, 142812), (234, 134878), (306, 103142), (442, 71406), (468, 67439), (612, 51571), (663, 47604), (884, 35703), (1326, 23802), (1989, 15868), (2652, 11901), (3967, 7956), (3978, 7934)]