390688889708

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{401}}^1\times {\mathrm{18736279}}^1$

素因数の和:18736697

約数の個数: 24

約数和(自身を含む): 738134486880

約数和(自身を除く): 347445597172

約数列:

[1, 2, 4, 13, 26, 52, 401, 802, 1604, 5213, 10426, 20852, 18736279, 37472558, 74945116, 243571627, 487143254, 974286508, 7513247879, 15026495758, 30052991516, 97672222427, 195344444854, 390688889708]

約数ペア:

[(1, 390688889708), (2, 195344444854), (4, 97672222427), (13, 30052991516), (26, 15026495758), (52, 7513247879), (401, 974286508), (802, 487143254), (1604, 243571627), (5213, 74945116), (10426, 37472558), (20852, 18736279)]