870898588

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{137}}^1\times {\mathrm{9871}}^1$

素因数の和:10042

約数の個数: 48

約数和(自身を含む): 1830979584

約数和(自身を除く): 960080996

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 92, 137, 161, 274, 322, 548, 644, 959, 1918, 3151, 3836, 6302, 9871, 12604, 19742, 22057, 39484, 44114, 69097, 88228, 138194, 227033, 276388, 454066, 908132, 1352327, 1589231, 2704654, 3178462, 5409308, 6356924, 9466289, 18932578, 31103521, 37865156, 62207042, 124414084, 217724647, 435449294, 870898588]

約数ペア:

[(1, 870898588), (2, 435449294), (4, 217724647), (7, 124414084), (14, 62207042), (23, 37865156), (28, 31103521), (46, 18932578), (92, 9466289), (137, 6356924), (161, 5409308), (274, 3178462), (322, 2704654), (548, 1589231), (644, 1352327), (959, 908132), (1918, 454066), (3151, 276388), (3836, 227033), (6302, 138194), (9871, 88228), (12604, 69097), (19742, 44114), (22057, 39484)]