87465455

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{1087}}^1$

素因数の和:1140

約数の個数: 48

約数和(自身を含む): 138915840

約数和(自身を除く): 51450385

約数列:

[1, 5, 7, 11, 19, 35, 55, 77, 95, 121, 133, 209, 385, 605, 665, 847, 1045, 1087, 1463, 2299, 4235, 5435, 7315, 7609, 11495, 11957, 16093, 20653, 38045, 59785, 80465, 83699, 103265, 131527, 144571, 227183, 418495, 657635, 722855, 920689, 1135915, 1590281, 2499013, 4603445, 7951405, 12495065, 17493091, 87465455]

約数ペア:

[(1, 87465455), (5, 17493091), (7, 12495065), (11, 7951405), (19, 4603445), (35, 2499013), (55, 1590281), (77, 1135915), (95, 920689), (121, 722855), (133, 657635), (209, 418495), (385, 227183), (605, 144571), (665, 131527), (847, 103265), (1045, 83699), (1087, 80465), (1463, 59785), (2299, 38045), (4235, 20653), (5435, 16093), (7315, 11957), (7609, 11495)]