220926992

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{223}}^1\times {\mathrm{433}}^1$

素因数の和:688

約数の個数: 80

約数和(自身を含む): 506300928

約数和(自身を除く): 285373936

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 44, 52, 88, 104, 143, 176, 208, 223, 286, 433, 446, 572, 866, 892, 1144, 1732, 1784, 2288, 2453, 2899, 3464, 3568, 4763, 4906, 5629, 5798, 6928, 9526, 9812, 11258, 11596, 19052, 19624, 22516, 23192, 31889, 38104, 39248, 45032, 46384, 61919, 63778, 76208, 90064, 96559, 123838, 127556, 193118, 247676, 255112, 386236, 495352, 510224, 772472, 990704, 1062149, 1255267, 1544944, 2124298, 2510534, 4248596, 5021068, 8497192, 10042136, 13807937, 16994384, 20084272, 27615874, 55231748, 110463496, 220926992]

約数ペア:

[(1, 220926992), (2, 110463496), (4, 55231748), (8, 27615874), (11, 20084272), (13, 16994384), (16, 13807937), (22, 10042136), (26, 8497192), (44, 5021068), (52, 4248596), (88, 2510534), (104, 2124298), (143, 1544944), (176, 1255267), (208, 1062149), (223, 990704), (286, 772472), (433, 510224), (446, 495352), (572, 386236), (866, 255112), (892, 247676), (1144, 193118), (1732, 127556), (1784, 123838), (2288, 96559), (2453, 90064), (2899, 76208), (3464, 63778), (3568, 61919), (4763, 46384), (4906, 45032), (5629, 39248), (5798, 38104), (6928, 31889), (9526, 23192), (9812, 22516), (11258, 19624), (11596, 19052)]