890441778

素因数分解:

$2^1\times 3^1\times {\mathrm{37}}^1\times {\mathrm{257}}^1\times {\mathrm{15607}}^1$

素因数の和:15906

約数の個数: 32

約数和(自身を含む): 1836249984

約数和(自身を除く): 945808206

約数列:

[1, 2, 3, 6, 37, 74, 111, 222, 257, 514, 771, 1542, 9509, 15607, 19018, 28527, 31214, 46821, 57054, 93642, 577459, 1154918, 1732377, 3464754, 4010999, 8021998, 12032997, 24065994, 148406963, 296813926, 445220889, 890441778]

約数ペア:

[(1, 890441778), (2, 445220889), (3, 296813926), (6, 148406963), (37, 24065994), (74, 12032997), (111, 8021998), (222, 4010999), (257, 3464754), (514, 1732377), (771, 1154918), (1542, 577459), (9509, 93642), (15607, 57054), (19018, 46821), (28527, 31214)]