28233590

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{991}}^1$

素因数の和:1053

約数の個数: 64

約数和(自身を含む): 65138688

約数和(自身を除く): 36905098

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 37, 55, 70, 74, 77, 110, 154, 185, 259, 370, 385, 407, 518, 770, 814, 991, 1295, 1982, 2035, 2590, 2849, 4070, 4955, 5698, 6937, 9910, 10901, 13874, 14245, 21802, 28490, 34685, 36667, 54505, 69370, 73334, 76307, 109010, 152614, 183335, 256669, 366670, 381535, 403337, 513338, 763070, 806674, 1283345, 2016685, 2566690, 2823359, 4033370, 5646718, 14116795, 28233590]

約数ペア:

[(1, 28233590), (2, 14116795), (5, 5646718), (7, 4033370), (10, 2823359), (11, 2566690), (14, 2016685), (22, 1283345), (35, 806674), (37, 763070), (55, 513338), (70, 403337), (74, 381535), (77, 366670), (110, 256669), (154, 183335), (185, 152614), (259, 109010), (370, 76307), (385, 73334), (407, 69370), (518, 54505), (770, 36667), (814, 34685), (991, 28490), (1295, 21802), (1982, 14245), (2035, 13874), (2590, 10901), (2849, 9910), (4070, 6937), (4955, 5698)]