201745397

素因数分解:

$7^3\times {\mathrm{23}}^1\times {\mathrm{107}}^1\times {\mathrm{239}}^1$

素因数の和:390

約数の個数: 32

約数和(自身を含む): 248832000

約数和(自身を除く): 47086603

約数列:

[1, 7, 23, 49, 107, 161, 239, 343, 749, 1127, 1673, 2461, 5243, 5497, 7889, 11711, 17227, 25573, 36701, 38479, 81977, 120589, 179011, 269353, 588179, 844123, 1253077, 1885471, 4117253, 8771539, 28820771, 201745397]

約数ペア:

[(1, 201745397), (7, 28820771), (23, 8771539), (49, 4117253), (107, 1885471), (161, 1253077), (239, 844123), (343, 588179), (749, 269353), (1127, 179011), (1673, 120589), (2461, 81977), (5243, 38479), (5497, 36701), (7889, 25573), (11711, 17227)]