81520049

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{163}}^1$

素因数の和:297

約数の個数: 32

約数和(自身を含む): 97864704

約数和(自身を除く): 16344655

約数列:

[1, 13, 17, 31, 73, 163, 221, 403, 527, 949, 1241, 2119, 2263, 2771, 5053, 6851, 11899, 16133, 29419, 36023, 38471, 65689, 85901, 154687, 202283, 368869, 500123, 1116713, 2629679, 4795297, 6270773, 81520049]

約数ペア:

[(1, 81520049), (13, 6270773), (17, 4795297), (31, 2629679), (73, 1116713), (163, 500123), (221, 368869), (403, 202283), (527, 154687), (949, 85901), (1241, 65689), (2119, 38471), (2263, 36023), (2771, 29419), (5053, 16133), (6851, 11899)]