78951970

素因数分解:

$2^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{113}}^1\times {\mathrm{641}}^1$

素因数の和:870

約数の個数: 32

約数和(自身を含む): 144912240

約数和(自身を除く): 65960270

約数列:

[1, 2, 5, 10, 109, 113, 218, 226, 545, 565, 641, 1090, 1130, 1282, 3205, 6410, 12317, 24634, 61585, 69869, 72433, 123170, 139738, 144866, 349345, 362165, 698690, 724330, 7895197, 15790394, 39475985, 78951970]

約数ペア:

[(1, 78951970), (2, 39475985), (5, 15790394), (10, 7895197), (109, 724330), (113, 698690), (218, 362165), (226, 349345), (545, 144866), (565, 139738), (641, 123170), (1090, 72433), (1130, 69869), (1282, 61585), (3205, 24634), (6410, 12317)]