187399885

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{109}}^1\times {\mathrm{167}}^1$

素因数の和:381

約数の個数: 32

約数和(自身を含む): 239500800

約数和(自身を除く): 52100915

約数列:

[1, 5, 29, 71, 109, 145, 167, 355, 545, 835, 2059, 3161, 4843, 7739, 10295, 11857, 15805, 18203, 24215, 38695, 59285, 91015, 224431, 343853, 527887, 1122155, 1292413, 1719265, 2639435, 6462065, 37479977, 187399885]

約数ペア:

[(1, 187399885), (5, 37479977), (29, 6462065), (71, 2639435), (109, 1719265), (145, 1292413), (167, 1122155), (355, 527887), (545, 343853), (835, 224431), (2059, 91015), (3161, 59285), (4843, 38695), (7739, 24215), (10295, 18203), (11857, 15805)]