421189738

素因数分解:

$2^1\times {\mathrm{67}}^1\times {\mathrm{139}}^1\times {\mathrm{22613}}^1$

素因数の和:22821

約数の個数: 16

約数和(自身を含む): 645855840

約数和(自身を除く): 224666102

約数列:

[1, 2, 67, 134, 139, 278, 9313, 18626, 22613, 45226, 1515071, 3030142, 3143207, 6286414, 210594869, 421189738]

約数ペア:

[(1, 421189738), (2, 210594869), (67, 6286414), (134, 3143207), (139, 3030142), (278, 1515071), (9313, 45226), (18626, 22613)]