245760478

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{233}}^1\times {\mathrm{677}}^1$

素因数の和:972

約数の個数: 32

約数和(自身を含む): 399803040

約数和(自身を除く): 154042562

約数列:

[1, 2, 19, 38, 41, 82, 233, 466, 677, 779, 1354, 1558, 4427, 8854, 9553, 12863, 19106, 25726, 27757, 55514, 157741, 181507, 315482, 363014, 527383, 1054766, 2997079, 5994158, 6467381, 12934762, 122880239, 245760478]

約数ペア:

[(1, 245760478), (2, 122880239), (19, 12934762), (38, 6467381), (41, 5994158), (82, 2997079), (233, 1054766), (466, 527383), (677, 363014), (779, 315482), (1354, 181507), (1558, 157741), (4427, 55514), (8854, 27757), (9553, 25726), (12863, 19106)]