801296

素因数分解:

$2^4\times {\mathrm{61}}^1\times {\mathrm{821}}^1$

素因数の和:890

約数の個数: 20

約数和(自身を含む): 1579884

約数和(自身を除く): 778588

約数列:

[1, 2, 4, 8, 16, 61, 122, 244, 488, 821, 976, 1642, 3284, 6568, 13136, 50081, 100162, 200324, 400648, 801296]

約数ペア:

[(1, 801296), (2, 400648), (4, 200324), (8, 100162), (16, 50081), (61, 13136), (122, 6568), (244, 3284), (488, 1642), (821, 976)]