28640458

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^3\times {\mathrm{29}}^1\times {\mathrm{53}}^1$

素因数の和:124

約数の個数: 64

約数和(自身を含む): 56920320

約数和(自身を除く): 28279862

約数列:

[1, 2, 7, 11, 14, 22, 29, 53, 58, 77, 106, 121, 154, 203, 242, 319, 371, 406, 583, 638, 742, 847, 1166, 1331, 1537, 1694, 2233, 2662, 3074, 3509, 4081, 4466, 6413, 7018, 8162, 9317, 10759, 12826, 16907, 18634, 21518, 24563, 33814, 38599, 44891, 49126, 70543, 77198, 89782, 118349, 141086, 185977, 236698, 270193, 371954, 493801, 540386, 987602, 1301839, 2045747, 2603678, 4091494, 14320229, 28640458]

約数ペア:

[(1, 28640458), (2, 14320229), (7, 4091494), (11, 2603678), (14, 2045747), (22, 1301839), (29, 987602), (53, 540386), (58, 493801), (77, 371954), (106, 270193), (121, 236698), (154, 185977), (203, 141086), (242, 118349), (319, 89782), (371, 77198), (406, 70543), (583, 49126), (638, 44891), (742, 38599), (847, 33814), (1166, 24563), (1331, 21518), (1537, 18634), (1694, 16907), (2233, 12826), (2662, 10759), (3074, 9317), (3509, 8162), (4081, 7018), (4466, 6413)]