71350072

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{211}}^1\times {\mathrm{983}}^1$

素因数の和:1243

約数の個数: 32

約数和(自身を含む): 137681280

約数和(自身を除く): 66331208

約数列:

[1, 2, 4, 8, 43, 86, 172, 211, 344, 422, 844, 983, 1688, 1966, 3932, 7864, 9073, 18146, 36292, 42269, 72584, 84538, 169076, 207413, 338152, 414826, 829652, 1659304, 8918759, 17837518, 35675036, 71350072]

約数ペア:

[(1, 71350072), (2, 35675036), (4, 17837518), (8, 8918759), (43, 1659304), (86, 829652), (172, 414826), (211, 338152), (344, 207413), (422, 169076), (844, 84538), (983, 72584), (1688, 42269), (1966, 36292), (3932, 18146), (7864, 9073)]