378026831

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{1669}}^1$

素因数の和:1839

約数の個数: 32

約数和(自身を含む): 493785600

約数和(自身を除く): 115758769

約数列:

[1, 7, 13, 19, 91, 131, 133, 247, 917, 1669, 1703, 1729, 2489, 11683, 11921, 17423, 21697, 31711, 32357, 151879, 218639, 221977, 226499, 412243, 1530473, 2842307, 2885701, 4154141, 19896149, 29078987, 54003833, 378026831]

約数ペア:

[(1, 378026831), (7, 54003833), (13, 29078987), (19, 19896149), (91, 4154141), (131, 2885701), (133, 2842307), (247, 1530473), (917, 412243), (1669, 226499), (1703, 221977), (1729, 218639), (2489, 151879), (11683, 32357), (11921, 31711), (17423, 21697)]