280487998

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{1178521}}^1$

素因数の和:1178547

約数の個数: 16

約数和(自身を含む): 509121504

約数和(自身を除く): 228633506

約数列:

[1, 2, 7, 14, 17, 34, 119, 238, 1178521, 2357042, 8249647, 16499294, 20034857, 40069714, 140243999, 280487998]

約数ペア:

[(1, 280487998), (2, 140243999), (7, 40069714), (14, 20034857), (17, 16499294), (34, 8249647), (119, 2357042), (238, 1178521)]