156161915

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{1553}}^1$

素因数の和:1608

約数の個数: 48

約数和(自身を含む): 245706048

約数和(自身を除く): 89544133

約数列:

[1, 5, 7, 13, 17, 35, 65, 85, 91, 119, 169, 221, 455, 595, 845, 1105, 1183, 1547, 1553, 2873, 5915, 7735, 7765, 10871, 14365, 20111, 20189, 26401, 54355, 100555, 100945, 132005, 141323, 184807, 262457, 343213, 706615, 924035, 1312285, 1716065, 1837199, 2402491, 4461769, 9185995, 12012455, 22308845, 31232383, 156161915]

約数ペア:

[(1, 156161915), (5, 31232383), (7, 22308845), (13, 12012455), (17, 9185995), (35, 4461769), (65, 2402491), (85, 1837199), (91, 1716065), (119, 1312285), (169, 924035), (221, 706615), (455, 343213), (595, 262457), (845, 184807), (1105, 141323), (1183, 132005), (1547, 100945), (1553, 100555), (2873, 54355), (5915, 26401), (7735, 20189), (7765, 20111), (10871, 14365)]