678193988

素因数分解:

$2^2\times {\mathrm{17}}^2\times {\mathrm{71}}^1\times {\mathrm{8263}}^1$

素因数の和:8372

約数の個数: 36

約数和(自身を含む): 1278672192

約数和(自身を除く): 600478204

約数列:

[1, 2, 4, 17, 34, 68, 71, 142, 284, 289, 578, 1156, 1207, 2414, 4828, 8263, 16526, 20519, 33052, 41038, 82076, 140471, 280942, 561884, 586673, 1173346, 2346692, 2388007, 4776014, 9552028, 9973441, 19946882, 39893764, 169548497, 339096994, 678193988]

約数ペア:

[(1, 678193988), (2, 339096994), (4, 169548497), (17, 39893764), (34, 19946882), (68, 9973441), (71, 9552028), (142, 4776014), (284, 2388007), (289, 2346692), (578, 1173346), (1156, 586673), (1207, 561884), (2414, 280942), (4828, 140471), (8263, 82076), (16526, 41038), (20519, 33052)]