128972354

素因数分解:

$2^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{197}}^1\times {\mathrm{463}}^1$

素因数の和:770

約数の個数: 32

約数和(自身を含む): 224902656

約数和(自身を除く): 95930302

約数列:

[1, 2, 7, 14, 101, 197, 202, 394, 463, 707, 926, 1379, 1414, 2758, 3241, 6482, 19897, 39794, 46763, 91211, 93526, 139279, 182422, 278558, 327341, 638477, 654682, 1276954, 9212311, 18424622, 64486177, 128972354]

約数ペア:

[(1, 128972354), (2, 64486177), (7, 18424622), (14, 9212311), (101, 1276954), (197, 654682), (202, 638477), (394, 327341), (463, 278558), (707, 182422), (926, 139279), (1379, 93526), (1414, 91211), (2758, 46763), (3241, 39794), (6482, 19897)]