51209490

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{641}}^1\times {\mathrm{2663}}^1$

素因数の和:3314

約数の個数: 32

約数和(自身を含む): 123140736

約数和(自身を除く): 71931246

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 641, 1282, 1923, 2663, 3205, 3846, 5326, 6410, 7989, 9615, 13315, 15978, 19230, 26630, 39945, 79890, 1706983, 3413966, 5120949, 8534915, 10241898, 17069830, 25604745, 51209490]

約数ペア:

[(1, 51209490), (2, 25604745), (3, 17069830), (5, 10241898), (6, 8534915), (10, 5120949), (15, 3413966), (30, 1706983), (641, 79890), (1282, 39945), (1923, 26630), (2663, 19230), (3205, 15978), (3846, 13315), (5326, 9615), (6410, 7989)]