220118878

素因数分解:

$2^1\times 7^4\times {\mathrm{23}}^1\times {\mathrm{1993}}^1$

素因数の和:2046

約数の個数: 40

約数和(自身を含む): 402133968

約数和(自身を除く): 182015090

約数列:

[1, 2, 7, 14, 23, 46, 49, 98, 161, 322, 343, 686, 1127, 1993, 2254, 2401, 3986, 4802, 7889, 13951, 15778, 27902, 45839, 55223, 91678, 97657, 110446, 195314, 320873, 641746, 683599, 1367198, 2246111, 4492222, 4785193, 9570386, 15722777, 31445554, 110059439, 220118878]

約数ペア:

[(1, 220118878), (2, 110059439), (7, 31445554), (14, 15722777), (23, 9570386), (46, 4785193), (49, 4492222), (98, 2246111), (161, 1367198), (322, 683599), (343, 641746), (686, 320873), (1127, 195314), (1993, 110446), (2254, 97657), (2401, 91678), (3986, 55223), (4802, 45839), (7889, 27902), (13951, 15778)]