1647308

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{401}}^1$

素因数の和:497

約数の個数: 24

約数和(自身を含む): 3151680

約数和(自身を除く): 1504372

約数列:

[1, 2, 4, 13, 26, 52, 79, 158, 316, 401, 802, 1027, 1604, 2054, 4108, 5213, 10426, 20852, 31679, 63358, 126716, 411827, 823654, 1647308]

約数ペア:

[(1, 1647308), (2, 823654), (4, 411827), (13, 126716), (26, 63358), (52, 31679), (79, 20852), (158, 10426), (316, 5213), (401, 4108), (802, 2054), (1027, 1604)]