17405390

素因数分解:

$2^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{113}}^1\times {\mathrm{211}}^1$

素因数の和:404

約数の個数: 32

約数和(自身を含む): 32191776

約数和(自身を除く): 14786386

約数列:

[1, 2, 5, 10, 73, 113, 146, 211, 226, 365, 422, 565, 730, 1055, 1130, 2110, 8249, 15403, 16498, 23843, 30806, 41245, 47686, 77015, 82490, 119215, 154030, 238430, 1740539, 3481078, 8702695, 17405390]

約数ペア:

[(1, 17405390), (2, 8702695), (5, 3481078), (10, 1740539), (73, 238430), (113, 154030), (146, 119215), (211, 82490), (226, 77015), (365, 47686), (422, 41245), (565, 30806), (730, 23843), (1055, 16498), (1130, 15403), (2110, 8249)]