217121012

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{149}}^1\times {\mathrm{337}}^1$

素因数の和:560

約数の個数: 48

約数和(自身を含む): 408844800

約数和(自身を除く): 191723788

約数列:

[1, 2, 4, 23, 46, 47, 92, 94, 149, 188, 298, 337, 596, 674, 1081, 1348, 2162, 3427, 4324, 6854, 7003, 7751, 13708, 14006, 15502, 15839, 28012, 31004, 31678, 50213, 63356, 100426, 161069, 200852, 322138, 364297, 644276, 728594, 1154899, 1457188, 2309798, 2360011, 4619596, 4720022, 9440044, 54280253, 108560506, 217121012]

約数ペア:

[(1, 217121012), (2, 108560506), (4, 54280253), (23, 9440044), (46, 4720022), (47, 4619596), (92, 2360011), (94, 2309798), (149, 1457188), (188, 1154899), (298, 728594), (337, 644276), (596, 364297), (674, 322138), (1081, 200852), (1348, 161069), (2162, 100426), (3427, 63356), (4324, 50213), (6854, 31678), (7003, 31004), (7751, 28012), (13708, 15839), (14006, 15502)]