81215156974

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{67}}^1\times {\mathrm{239843}}^1$

素因数の和:239957

約数の個数: 48

約数和(自身を含む): 149133080448

約数和(自身を除く): 67917923474

約数列:

[1, 2, 7, 14, 19, 38, 67, 133, 134, 266, 361, 469, 722, 938, 1273, 2527, 2546, 5054, 8911, 17822, 24187, 48374, 169309, 239843, 338618, 479686, 1678901, 3357802, 4557017, 9114034, 16069481, 31899119, 32138962, 63798238, 86583323, 112486367, 173166646, 224972734, 305320139, 606083261, 610640278, 1212166522, 2137240973, 4274481946, 5801082641, 11602165282, 40607578487, 81215156974]

約数ペア:

[(1, 81215156974), (2, 40607578487), (7, 11602165282), (14, 5801082641), (19, 4274481946), (38, 2137240973), (67, 1212166522), (133, 610640278), (134, 606083261), (266, 305320139), (361, 224972734), (469, 173166646), (722, 112486367), (938, 86583323), (1273, 63798238), (2527, 32138962), (2546, 31899119), (5054, 16069481), (8911, 9114034), (17822, 4557017), (24187, 3357802), (48374, 1678901), (169309, 479686), (239843, 338618)]