868688015

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{839}}^1\times {\mathrm{937}}^1$

素因数の和:1811

約数の個数: 32

約数和(自身を含む): 1191335040

約数和(自身を除く): 322647025

約数列:

[1, 5, 13, 17, 65, 85, 221, 839, 937, 1105, 4195, 4685, 10907, 12181, 14263, 15929, 54535, 60905, 71315, 79645, 185419, 207077, 786143, 927095, 1035385, 3930715, 10219859, 13364431, 51099295, 66822155, 173737603, 868688015]

約数ペア:

[(1, 868688015), (5, 173737603), (13, 66822155), (17, 51099295), (65, 13364431), (85, 10219859), (221, 3930715), (839, 1035385), (937, 927095), (1105, 786143), (4195, 207077), (4685, 185419), (10907, 79645), (12181, 71315), (14263, 60905), (15929, 54535)]