163840326

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{107}}^1\times {\mathrm{293}}^1$

素因数の和:485

約数の個数: 64

約数和(自身を含む): 362734848

約数和(自身を除く): 198894522

約数列:

[1, 2, 3, 6, 13, 26, 39, 67, 78, 107, 134, 201, 214, 293, 321, 402, 586, 642, 871, 879, 1391, 1742, 1758, 2613, 2782, 3809, 4173, 5226, 7169, 7618, 8346, 11427, 14338, 19631, 21507, 22854, 31351, 39262, 43014, 58893, 62702, 93197, 94053, 117786, 186394, 188106, 255203, 279591, 407563, 510406, 559182, 765609, 815126, 1222689, 1531218, 2100517, 2445378, 4201034, 6301551, 12603102, 27306721, 54613442, 81920163, 163840326]

約数ペア:

[(1, 163840326), (2, 81920163), (3, 54613442), (6, 27306721), (13, 12603102), (26, 6301551), (39, 4201034), (67, 2445378), (78, 2100517), (107, 1531218), (134, 1222689), (201, 815126), (214, 765609), (293, 559182), (321, 510406), (402, 407563), (586, 279591), (642, 255203), (871, 188106), (879, 186394), (1391, 117786), (1742, 94053), (1758, 93197), (2613, 62702), (2782, 58893), (3809, 43014), (4173, 39262), (5226, 31351), (7169, 22854), (7618, 21507), (8346, 19631), (11427, 14338)]