25678804

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{191}}^1$

素因数の和:304

約数の個数: 48

約数和(自身を含む): 49996800

約数和(自身を除く): 24317996

約数列:

[1, 2, 4, 19, 29, 38, 58, 61, 76, 116, 122, 191, 244, 382, 551, 764, 1102, 1159, 1769, 2204, 2318, 3538, 3629, 4636, 5539, 7076, 7258, 11078, 11651, 14516, 22156, 23302, 33611, 46604, 67222, 105241, 134444, 210482, 221369, 337879, 420964, 442738, 675758, 885476, 1351516, 6419701, 12839402, 25678804]

約数ペア:

[(1, 25678804), (2, 12839402), (4, 6419701), (19, 1351516), (29, 885476), (38, 675758), (58, 442738), (61, 420964), (76, 337879), (116, 221369), (122, 210482), (191, 134444), (244, 105241), (382, 67222), (551, 46604), (764, 33611), (1102, 23302), (1159, 22156), (1769, 14516), (2204, 11651), (2318, 11078), (3538, 7258), (3629, 7076), (4636, 5539)]