403936

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{971}}^1$

素因数の和:994

約数の個数: 24

約数和(自身を含む): 857304

約数和(自身を除く): 453368

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 208, 416, 971, 1942, 3884, 7768, 12623, 15536, 25246, 31072, 50492, 100984, 201968, 403936]

約数ペア:

[(1, 403936), (2, 201968), (4, 100984), (8, 50492), (13, 31072), (16, 25246), (26, 15536), (32, 12623), (52, 7768), (104, 3884), (208, 1942), (416, 971)]