221781136

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{149}}^1\times {\mathrm{2269}}^1$

素因数の和:2467

約数の個数: 40

約数和(自身を含む): 443331000

約数和(自身を除く): 221549864

約数列:

[1, 2, 4, 8, 16, 41, 82, 149, 164, 298, 328, 596, 656, 1192, 2269, 2384, 4538, 6109, 9076, 12218, 18152, 24436, 36304, 48872, 93029, 97744, 186058, 338081, 372116, 676162, 744232, 1352324, 1488464, 2704648, 5409296, 13861321, 27722642, 55445284, 110890568, 221781136]

約数ペア:

[(1, 221781136), (2, 110890568), (4, 55445284), (8, 27722642), (16, 13861321), (41, 5409296), (82, 2704648), (149, 1488464), (164, 1352324), (298, 744232), (328, 676162), (596, 372116), (656, 338081), (1192, 186058), (2269, 97744), (2384, 93029), (4538, 48872), (6109, 36304), (9076, 24436), (12218, 18152)]