390796

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{821}}^1$

素因数の和:849

約数の個数: 24

約数和(自身を含む): 828576

約数和(自身を除く): 437780

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 68, 119, 238, 476, 821, 1642, 3284, 5747, 11494, 13957, 22988, 27914, 55828, 97699, 195398, 390796]

約数ペア:

[(1, 390796), (2, 195398), (4, 97699), (7, 55828), (14, 27914), (17, 22988), (28, 13957), (34, 11494), (68, 5747), (119, 3284), (238, 1642), (476, 821)]