31062018

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{229}}^1$

素因数の和:331

約数の個数: 64

約数和(自身を含む): 70479360

約数和(自身を除く): 39417342

約数列:

[1, 2, 3, 6, 13, 26, 37, 39, 47, 74, 78, 94, 111, 141, 222, 229, 282, 458, 481, 611, 687, 962, 1222, 1374, 1443, 1739, 1833, 2886, 2977, 3478, 3666, 5217, 5954, 8473, 8931, 10434, 10763, 16946, 17862, 21526, 22607, 25419, 32289, 45214, 50838, 64578, 67821, 110149, 135642, 139919, 220298, 279838, 330447, 398231, 419757, 660894, 796462, 839514, 1194693, 2389386, 5177003, 10354006, 15531009, 31062018]

約数ペア:

[(1, 31062018), (2, 15531009), (3, 10354006), (6, 5177003), (13, 2389386), (26, 1194693), (37, 839514), (39, 796462), (47, 660894), (74, 419757), (78, 398231), (94, 330447), (111, 279838), (141, 220298), (222, 139919), (229, 135642), (282, 110149), (458, 67821), (481, 64578), (611, 50838), (687, 45214), (962, 32289), (1222, 25419), (1374, 22607), (1443, 21526), (1739, 17862), (1833, 16946), (2886, 10763), (2977, 10434), (3478, 8931), (3666, 8473), (5217, 5954)]