201522895

素因数分解:

$5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{139}}^1\times {\mathrm{1801}}^1$

素因数の和:1975

約数の個数: 32

約数和(自身を含む): 290626560

約数和(自身を除く): 89103665

約数列:

[1, 5, 7, 23, 35, 115, 139, 161, 695, 805, 973, 1801, 3197, 4865, 9005, 12607, 15985, 22379, 41423, 63035, 111895, 207115, 250339, 289961, 1251695, 1449805, 1752373, 5757797, 8761865, 28788985, 40304579, 201522895]

約数ペア:

[(1, 201522895), (5, 40304579), (7, 28788985), (23, 8761865), (35, 5757797), (115, 1752373), (139, 1449805), (161, 1251695), (695, 289961), (805, 250339), (973, 207115), (1801, 111895), (3197, 63035), (4865, 41423), (9005, 22379), (12607, 15985)]