628157428

素因数分解:

$2^2\times {\mathrm{67}}^1\times {\mathrm{751}}^1\times {\mathrm{3121}}^1$

素因数の和:3943

約数の個数: 24

約数和(自身を含む): 1117526144

約数和(自身を除く): 489368716

約数列:

[1, 2, 4, 67, 134, 268, 751, 1502, 3004, 3121, 6242, 12484, 50317, 100634, 201268, 209107, 418214, 836428, 2343871, 4687742, 9375484, 157039357, 314078714, 628157428]

約数ペア:

[(1, 628157428), (2, 314078714), (4, 157039357), (67, 9375484), (134, 4687742), (268, 2343871), (751, 836428), (1502, 418214), (3004, 209107), (3121, 201268), (6242, 100634), (12484, 50317)]