991825835

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{3739}}^1$

素因数の和:3828

約数の個数: 64

約数和(自身を含む): 1628605440

約数和(自身を除く): 636779605

約数列:

[1, 5, 7, 11, 13, 35, 53, 55, 65, 77, 91, 143, 265, 371, 385, 455, 583, 689, 715, 1001, 1855, 2915, 3445, 3739, 4081, 4823, 5005, 7579, 18695, 20405, 24115, 26173, 37895, 41129, 48607, 53053, 130865, 198167, 205645, 243035, 265265, 287903, 340249, 534677, 990835, 1387169, 1439515, 1701245, 2179837, 2576171, 2673385, 3742739, 6935845, 10899185, 12880855, 15258859, 18033197, 18713695, 28337881, 76294295, 90165985, 141689405, 198365167, 991825835]

約数ペア:

[(1, 991825835), (5, 198365167), (7, 141689405), (11, 90165985), (13, 76294295), (35, 28337881), (53, 18713695), (55, 18033197), (65, 15258859), (77, 12880855), (91, 10899185), (143, 6935845), (265, 3742739), (371, 2673385), (385, 2576171), (455, 2179837), (583, 1701245), (689, 1439515), (715, 1387169), (1001, 990835), (1855, 534677), (2915, 340249), (3445, 287903), (3739, 265265), (4081, 243035), (4823, 205645), (5005, 198167), (7579, 130865), (18695, 53053), (20405, 48607), (24115, 41129), (26173, 37895)]