397609346

素因数分解:

$2^1\times {\mathrm{61}}^1\times {\mathrm{137}}^1\times {\mathrm{23789}}^1$

素因数の和:23989

約数の個数: 16

約数和(自身を含む): 610641720

約数和(自身を除く): 213032374

約数列:

[1, 2, 61, 122, 137, 274, 8357, 16714, 23789, 47578, 1451129, 2902258, 3259093, 6518186, 198804673, 397609346]

約数ペア:

[(1, 397609346), (2, 198804673), (61, 6518186), (122, 3259093), (137, 2902258), (274, 1451129), (8357, 47578), (16714, 23789)]