25540138

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{139}}^1\times {\mathrm{191}}^1$

素因数の和:382

約数の個数: 32

約数和(自身を含む): 42900480

約数和(自身を除く): 17360342

約数列:

[1, 2, 13, 26, 37, 74, 139, 191, 278, 382, 481, 962, 1807, 2483, 3614, 4966, 5143, 7067, 10286, 14134, 26549, 53098, 66859, 91871, 133718, 183742, 345137, 690274, 982313, 1964626, 12770069, 25540138]

約数ペア:

[(1, 25540138), (2, 12770069), (13, 1964626), (26, 982313), (37, 690274), (74, 345137), (139, 183742), (191, 133718), (278, 91871), (382, 66859), (481, 53098), (962, 26549), (1807, 14134), (2483, 10286), (3614, 7067), (4966, 5143)]