408944

素因数分解:

$2^4\times {\mathrm{61}}^1\times {\mathrm{419}}^1$

素因数の和:488

約数の個数: 20

約数和(自身を含む): 807240

約数和(自身を除く): 398296

約数列:

[1, 2, 4, 8, 16, 61, 122, 244, 419, 488, 838, 976, 1676, 3352, 6704, 25559, 51118, 102236, 204472, 408944]

約数ペア:

[(1, 408944), (2, 204472), (4, 102236), (8, 51118), (16, 25559), (61, 6704), (122, 3352), (244, 1676), (419, 976), (488, 838)]