491569494

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{2399}}^1$

素因数の和:2525

約数の個数: 64

約数和(自身を含む): 1103155200

約数和(自身を除く): 611585706

約数列:

[1, 2, 3, 6, 13, 26, 37, 39, 71, 74, 78, 111, 142, 213, 222, 426, 481, 923, 962, 1443, 1846, 2399, 2627, 2769, 2886, 4798, 5254, 5538, 7197, 7881, 14394, 15762, 31187, 34151, 62374, 68302, 88763, 93561, 102453, 170329, 177526, 187122, 204906, 266289, 340658, 510987, 532578, 1021974, 1153919, 2214277, 2307838, 3461757, 4428554, 6302173, 6642831, 6923514, 12604346, 13285662, 18906519, 37813038, 81928249, 163856498, 245784747, 491569494]

約数ペア:

[(1, 491569494), (2, 245784747), (3, 163856498), (6, 81928249), (13, 37813038), (26, 18906519), (37, 13285662), (39, 12604346), (71, 6923514), (74, 6642831), (78, 6302173), (111, 4428554), (142, 3461757), (213, 2307838), (222, 2214277), (426, 1153919), (481, 1021974), (923, 532578), (962, 510987), (1443, 340658), (1846, 266289), (2399, 204906), (2627, 187122), (2769, 177526), (2886, 170329), (4798, 102453), (5254, 93561), (5538, 88763), (7197, 68302), (7881, 62374), (14394, 34151), (15762, 31187)]