1221771649

素因数分解:

$7^1\times {\mathrm{19}}^2\times {\mathrm{101}}^1\times {\mathrm{4787}}^1$

素因数の和:4933

約数の個数: 24

約数和(自身を含む): 1488570048

約数和(自身を除く): 266798399

約数列:

[1, 7, 19, 101, 133, 361, 707, 1919, 2527, 4787, 13433, 33509, 36461, 90953, 255227, 483487, 636671, 1728107, 3384409, 9186253, 12096749, 64303771, 174538807, 1221771649]

約数ペア:

[(1, 1221771649), (7, 174538807), (19, 64303771), (101, 12096749), (133, 9186253), (361, 3384409), (707, 1728107), (1919, 636671), (2527, 483487), (4787, 255227), (13433, 90953), (33509, 36461)]