28615370

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{421}}^1\times {\mathrm{971}}^1$

素因数の和:1406

約数の個数: 32

約数和(自身を含む): 59066496

約数和(自身を除く): 30451126

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 421, 842, 971, 1942, 2105, 2947, 4210, 4855, 5894, 6797, 9710, 13594, 14735, 29470, 33985, 67970, 408791, 817582, 2043955, 2861537, 4087910, 5723074, 14307685, 28615370]

約数ペア:

[(1, 28615370), (2, 14307685), (5, 5723074), (7, 4087910), (10, 2861537), (14, 2043955), (35, 817582), (70, 408791), (421, 67970), (842, 33985), (971, 29470), (1942, 14735), (2105, 13594), (2947, 9710), (4210, 6797), (4855, 5894)]