78487686

素因数分解:

$2^1\times 3^2\times {\mathrm{67}}^1\times {\mathrm{151}}^1\times {\mathrm{431}}^1$

素因数の和:657

約数の個数: 48

約数和(自身を含む): 174140928

約数和(自身を除く): 95653242

約数列:

[1, 2, 3, 6, 9, 18, 67, 134, 151, 201, 302, 402, 431, 453, 603, 862, 906, 1206, 1293, 1359, 2586, 2718, 3879, 7758, 10117, 20234, 28877, 30351, 57754, 60702, 65081, 86631, 91053, 130162, 173262, 182106, 195243, 259893, 390486, 519786, 585729, 1171458, 4360427, 8720854, 13081281, 26162562, 39243843, 78487686]

約数ペア:

[(1, 78487686), (2, 39243843), (3, 26162562), (6, 13081281), (9, 8720854), (18, 4360427), (67, 1171458), (134, 585729), (151, 519786), (201, 390486), (302, 259893), (402, 195243), (431, 182106), (453, 173262), (603, 130162), (862, 91053), (906, 86631), (1206, 65081), (1293, 60702), (1359, 57754), (2586, 30351), (2718, 28877), (3879, 20234), (7758, 10117)]