26287664

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{2689}}^1$

素因数の和:2757

約数の個数: 40

約数和(自身を含む): 56038080

約数和(自身を除く): 29750416

約数列:

[1, 2, 4, 8, 13, 16, 26, 47, 52, 94, 104, 188, 208, 376, 611, 752, 1222, 2444, 2689, 4888, 5378, 9776, 10756, 21512, 34957, 43024, 69914, 126383, 139828, 252766, 279656, 505532, 559312, 1011064, 1642979, 2022128, 3285958, 6571916, 13143832, 26287664]

約数ペア:

[(1, 26287664), (2, 13143832), (4, 6571916), (8, 3285958), (13, 2022128), (16, 1642979), (26, 1011064), (47, 559312), (52, 505532), (94, 279656), (104, 252766), (188, 139828), (208, 126383), (376, 69914), (611, 43024), (752, 34957), (1222, 21512), (2444, 10756), (2689, 9776), (4888, 5378)]