28730416

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{433}}^1$

素因数の和:494

約数の個数: 80

約数和(自身を含む): 67808160

約数和(自身を除く): 39077744

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 29, 44, 52, 58, 88, 104, 116, 143, 176, 208, 232, 286, 319, 377, 433, 464, 572, 638, 754, 866, 1144, 1276, 1508, 1732, 2288, 2552, 3016, 3464, 4147, 4763, 5104, 5629, 6032, 6928, 8294, 9526, 11258, 12557, 16588, 19052, 22516, 25114, 33176, 38104, 45032, 50228, 61919, 66352, 76208, 90064, 100456, 123838, 138127, 163241, 200912, 247676, 276254, 326482, 495352, 552508, 652964, 990704, 1105016, 1305928, 1795651, 2210032, 2611856, 3591302, 7182604, 14365208, 28730416]

約数ペア:

[(1, 28730416), (2, 14365208), (4, 7182604), (8, 3591302), (11, 2611856), (13, 2210032), (16, 1795651), (22, 1305928), (26, 1105016), (29, 990704), (44, 652964), (52, 552508), (58, 495352), (88, 326482), (104, 276254), (116, 247676), (143, 200912), (176, 163241), (208, 138127), (232, 123838), (286, 100456), (319, 90064), (377, 76208), (433, 66352), (464, 61919), (572, 50228), (638, 45032), (754, 38104), (866, 33176), (1144, 25114), (1276, 22516), (1508, 19052), (1732, 16588), (2288, 12557), (2552, 11258), (3016, 9526), (3464, 8294), (4147, 6928), (4763, 6032), (5104, 5629)]