90712391

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^2\times {\mathrm{131}}^1$

素因数の和:212

約数の個数: 48

約数和(自身を含む): 126137088

約数和(自身を除く): 35424697

約数列:

[1, 7, 11, 17, 23, 77, 119, 131, 161, 187, 253, 391, 529, 917, 1309, 1441, 1771, 2227, 2737, 3013, 3703, 4301, 5819, 8993, 10087, 15589, 21091, 24497, 30107, 33143, 40733, 51221, 62951, 69299, 98923, 171479, 232001, 358547, 485093, 563431, 692461, 762289, 1178083, 3944017, 5336023, 8246581, 12958913, 90712391]

約数ペア:

[(1, 90712391), (7, 12958913), (11, 8246581), (17, 5336023), (23, 3944017), (77, 1178083), (119, 762289), (131, 692461), (161, 563431), (187, 485093), (253, 358547), (391, 232001), (529, 171479), (917, 98923), (1309, 69299), (1441, 62951), (1771, 51221), (2227, 40733), (2737, 33143), (3013, 30107), (3703, 24497), (4301, 21091), (5819, 15589), (8993, 10087)]