91758070

素因数分解:

$2^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{251}}^1\times {\mathrm{263}}^1$

素因数の和:660

約数の個数: 32

約数和(自身を含む): 167650560

約数和(自身を除く): 75892490

約数列:

[1, 2, 5, 10, 139, 251, 263, 278, 502, 526, 695, 1255, 1315, 1390, 2510, 2630, 34889, 36557, 66013, 69778, 73114, 132026, 174445, 182785, 330065, 348890, 365570, 660130, 9175807, 18351614, 45879035, 91758070]

約数ペア:

[(1, 91758070), (2, 45879035), (5, 18351614), (10, 9175807), (139, 660130), (251, 365570), (263, 348890), (278, 330065), (502, 182785), (526, 174445), (695, 132026), (1255, 73114), (1315, 69778), (1390, 66013), (2510, 36557), (2630, 34889)]