261522816

素因数分解:

$2^7\times 3^1\times {\mathrm{681049}}^1$

素因数の和:681066

約数の個数: 32

約数和(自身を含む): 694671000

約数和(自身を除く): 433148184

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 128, 192, 384, 681049, 1362098, 2043147, 2724196, 4086294, 5448392, 8172588, 10896784, 16345176, 21793568, 32690352, 43587136, 65380704, 87174272, 130761408, 261522816]

約数ペア:

[(1, 261522816), (2, 130761408), (3, 87174272), (4, 65380704), (6, 43587136), (8, 32690352), (12, 21793568), (16, 16345176), (24, 10896784), (32, 8172588), (48, 5448392), (64, 4086294), (96, 2724196), (128, 2043147), (192, 1362098), (384, 681049)]