26781970

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{257}}^1\times {\mathrm{613}}^1$

素因数の和:894

約数の個数: 32

約数和(自身を含む): 51325488

約数和(自身を除く): 24543518

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 257, 514, 613, 1226, 1285, 2570, 3065, 4369, 6130, 8738, 10421, 20842, 21845, 43690, 52105, 104210, 157541, 315082, 787705, 1575410, 2678197, 5356394, 13390985, 26781970]

約数ペア:

[(1, 26781970), (2, 13390985), (5, 5356394), (10, 2678197), (17, 1575410), (34, 787705), (85, 315082), (170, 157541), (257, 104210), (514, 52105), (613, 43690), (1226, 21845), (1285, 20842), (2570, 10421), (3065, 8738), (4369, 6130)]