71209307981

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{173}}^1\times {\mathrm{947}}^1\times {\mathrm{2003}}^1$

素因数の和:3161

約数の個数: 32

約数和(自身を含む): 84624334848

約数和(自身を除く): 13415026867

約数列:

[1, 7, 31, 173, 217, 947, 1211, 2003, 5363, 6629, 14021, 29357, 37541, 62093, 163831, 205499, 346519, 434651, 1146817, 1896841, 2425633, 5078761, 10742089, 13277887, 35551327, 58802071, 75194623, 328153493, 411614497, 2297074451, 10172758283, 71209307981]

約数ペア:

[(1, 71209307981), (7, 10172758283), (31, 2297074451), (173, 411614497), (217, 328153493), (947, 75194623), (1211, 58802071), (2003, 35551327), (5363, 13277887), (6629, 10742089), (14021, 5078761), (29357, 2425633), (37541, 1896841), (62093, 1146817), (163831, 434651), (205499, 346519)]