258441490

素因数分解:

$2^1\times 5^1\times {\mathrm{331}}^1\times {\mathrm{78079}}^1$

素因数の和:78417

約数の個数: 16

約数和(自身を含む): 466606080

約数和(自身を除く): 208164590

約数列:

[1, 2, 5, 10, 331, 662, 1655, 3310, 78079, 156158, 390395, 780790, 25844149, 51688298, 129220745, 258441490]

約数ペア:

[(1, 258441490), (2, 129220745), (5, 51688298), (10, 25844149), (331, 780790), (662, 390395), (1655, 156158), (3310, 78079)]