28141783775

素因数分解:

$5^2\times 7^1\times {\mathrm{107}}^1\times {\mathrm{907}}^1\times {\mathrm{1657}}^1$

素因数の和:2688

約数の個数: 48

約数和(自身を含む): 40322347776

約数和(自身を除く): 12180564001

約数列:

[1, 5, 7, 25, 35, 107, 175, 535, 749, 907, 1657, 2675, 3745, 4535, 6349, 8285, 11599, 18725, 22675, 31745, 41425, 57995, 97049, 158725, 177299, 289975, 485245, 679343, 886495, 1241093, 1502899, 2426225, 3396715, 4432475, 6205465, 7514495, 10520293, 16983575, 31027325, 37572475, 52601465, 160810193, 263007325, 804050965, 1125671351, 4020254825, 5628356755, 28141783775]

約数ペア:

[(1, 28141783775), (5, 5628356755), (7, 4020254825), (25, 1125671351), (35, 804050965), (107, 263007325), (175, 160810193), (535, 52601465), (749, 37572475), (907, 31027325), (1657, 16983575), (2675, 10520293), (3745, 7514495), (4535, 6205465), (6349, 4432475), (8285, 3396715), (11599, 2426225), (18725, 1502899), (22675, 1241093), (31745, 886495), (41425, 679343), (57995, 485245), (97049, 289975), (158725, 177299)]