4447089213

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{70991}}^1$

素因数の和:71177

約数の個数: 32

約数和(自身を含む): 7178711040

約数和(自身を除く): 2731621827

約数列:

[1, 3, 7, 19, 21, 57, 133, 157, 399, 471, 1099, 2983, 3297, 8949, 20881, 62643, 70991, 212973, 496937, 1348829, 1490811, 4046487, 9441803, 11145587, 28325409, 33436761, 78019109, 211766153, 234057327, 635298459, 1482363071, 4447089213]

約数ペア:

[(1, 4447089213), (3, 1482363071), (7, 635298459), (19, 234057327), (21, 211766153), (57, 78019109), (133, 33436761), (157, 28325409), (399, 11145587), (471, 9441803), (1099, 4046487), (2983, 1490811), (3297, 1348829), (8949, 496937), (20881, 212973), (62643, 70991)]