66720401

素因数分解:

${\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{181}}^1$

素因数の和:293

約数の個数: 32

約数和(自身を含む): 80510976

約数和(自身を除く): 13790575

約数列:

[1, 11, 23, 31, 47, 181, 253, 341, 517, 713, 1081, 1457, 1991, 4163, 5611, 7843, 8507, 11891, 16027, 33511, 45793, 61721, 93577, 129053, 195661, 263717, 368621, 1419583, 2152271, 2900887, 6065491, 66720401]

約数ペア:

[(1, 66720401), (11, 6065491), (23, 2900887), (31, 2152271), (47, 1419583), (181, 368621), (253, 263717), (341, 195661), (517, 129053), (713, 93577), (1081, 61721), (1457, 45793), (1991, 33511), (4163, 16027), (5611, 11891), (7843, 8507)]