861405380927

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{211}}^1\times {\mathrm{1151}}^1\times {\mathrm{38977}}^1$

素因数の和:40359

約数の個数: 32

約数和(自身を含む): 1066168664064

約数和(自身を除く): 204763283137

約数列:

[1, 7, 13, 91, 211, 1151, 1477, 2743, 8057, 14963, 19201, 38977, 104741, 242861, 272839, 506701, 1700027, 3157193, 3546907, 8224147, 22100351, 44862527, 57569029, 106913911, 314037689, 583212851, 748397377, 4082489957, 9465993197, 66261952379, 123057911561, 861405380927]

約数ペア:

[(1, 861405380927), (7, 123057911561), (13, 66261952379), (91, 9465993197), (211, 4082489957), (1151, 748397377), (1477, 583212851), (2743, 314037689), (8057, 106913911), (14963, 57569029), (19201, 44862527), (38977, 22100351), (104741, 8224147), (242861, 3546907), (272839, 3157193), (506701, 1700027)]