291246557108

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{40294211}}^1$

素因数の和:40294367

約数の個数: 24

約数和(自身を含む): 552836588640

約数和(自身を除く): 261590031532

約数列:

[1, 2, 4, 13, 26, 52, 139, 278, 556, 1807, 3614, 7228, 40294211, 80588422, 161176844, 523824743, 1047649486, 2095298972, 5600895329, 11201790658, 22403581316, 72811639277, 145623278554, 291246557108]

約数ペア:

[(1, 291246557108), (2, 145623278554), (4, 72811639277), (13, 22403581316), (26, 11201790658), (52, 5600895329), (139, 2095298972), (278, 1047649486), (556, 523824743), (1807, 161176844), (3614, 80588422), (7228, 40294211)]