15666878105

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{101}}^1\times {\mathrm{25703}}^1$

素因数の和:25897

約数の個数: 32

約数和(自身を含む): 20387179008

約数和(自身を除く): 4720300903

約数列:

[1, 5, 17, 71, 85, 101, 355, 505, 1207, 1717, 6035, 7171, 8585, 25703, 35855, 121907, 128515, 436951, 609535, 1824913, 2184755, 2596003, 9124565, 12980015, 31023521, 44132051, 155117605, 184316213, 220660255, 921581065, 3133375621, 15666878105]

約数ペア:

[(1, 15666878105), (5, 3133375621), (17, 921581065), (71, 220660255), (85, 184316213), (101, 155117605), (355, 44132051), (505, 31023521), (1207, 12980015), (1717, 9124565), (6035, 2596003), (7171, 2184755), (8585, 1824913), (25703, 609535), (35855, 436951), (121907, 128515)]