221129710

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{167}}^1\times {\mathrm{7789}}^1$

素因数の和:7980

約数の個数: 32

約数和(自身を含む): 424025280

約数和(自身を除く): 202895570

約数列:

[1, 2, 5, 10, 17, 34, 85, 167, 170, 334, 835, 1670, 2839, 5678, 7789, 14195, 15578, 28390, 38945, 77890, 132413, 264826, 662065, 1300763, 1324130, 2601526, 6503815, 13007630, 22112971, 44225942, 110564855, 221129710]

約数ペア:

[(1, 221129710), (2, 110564855), (5, 44225942), (10, 22112971), (17, 13007630), (34, 6503815), (85, 2601526), (167, 1324130), (170, 1300763), (334, 662065), (835, 264826), (1670, 132413), (2839, 77890), (5678, 38945), (7789, 28390), (14195, 15578)]