261979696

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{997}}^1\times {\mathrm{1493}}^1$

素因数の和:2509

約数の個数: 40

約数和(自身を含む): 554656464

約数和(自身を除く): 292676768

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 997, 1493, 1994, 2986, 3988, 5972, 7976, 10967, 11944, 15952, 16423, 21934, 23888, 32846, 43868, 65692, 87736, 131384, 175472, 262768, 1488521, 2977042, 5954084, 11908168, 16373731, 23816336, 32747462, 65494924, 130989848, 261979696]

約数ペア:

[(1, 261979696), (2, 130989848), (4, 65494924), (8, 32747462), (11, 23816336), (16, 16373731), (22, 11908168), (44, 5954084), (88, 2977042), (176, 1488521), (997, 262768), (1493, 175472), (1994, 131384), (2986, 87736), (3988, 65692), (5972, 43868), (7976, 32846), (10967, 23888), (11944, 21934), (15952, 16423)]