38278331

素因数分解:

$7^1\times {\mathrm{13}}^3\times {\mathrm{19}}^1\times {\mathrm{131}}^1$

素因数の和:196

約数の個数: 32

約数和(自身を含む): 50265600

約数和(自身を除く): 11987269

約数列:

[1, 7, 13, 19, 91, 131, 133, 169, 247, 917, 1183, 1703, 1729, 2197, 2489, 3211, 11921, 15379, 17423, 22139, 22477, 32357, 41743, 154973, 226499, 287807, 292201, 420641, 2014649, 2944487, 5468333, 38278331]

約数ペア:

[(1, 38278331), (7, 5468333), (13, 2944487), (19, 2014649), (91, 420641), (131, 292201), (133, 287807), (169, 226499), (247, 154973), (917, 41743), (1183, 32357), (1703, 22477), (1729, 22139), (2197, 17423), (2489, 15379), (3211, 11921)]