870899176

素因数分解:

$2^3\times 7^1\times {\mathrm{89}}^1\times {\mathrm{197}}^1\times {\mathrm{887}}^1$

素因数の和:1186

約数の個数: 64

約数和(自身を含む): 1898899200

約数和(自身を除く): 1028000024

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 89, 178, 197, 356, 394, 623, 712, 788, 887, 1246, 1379, 1576, 1774, 2492, 2758, 3548, 4984, 5516, 6209, 7096, 11032, 12418, 17533, 24836, 35066, 49672, 70132, 78943, 122731, 140264, 157886, 174739, 245462, 315772, 349478, 490924, 552601, 631544, 698956, 981848, 1105202, 1223173, 1397912, 2210404, 2446346, 4420808, 4892692, 9785384, 15551771, 31103542, 62207084, 108862397, 124414168, 217724794, 435449588, 870899176]

約数ペア:

[(1, 870899176), (2, 435449588), (4, 217724794), (7, 124414168), (8, 108862397), (14, 62207084), (28, 31103542), (56, 15551771), (89, 9785384), (178, 4892692), (197, 4420808), (356, 2446346), (394, 2210404), (623, 1397912), (712, 1223173), (788, 1105202), (887, 981848), (1246, 698956), (1379, 631544), (1576, 552601), (1774, 490924), (2492, 349478), (2758, 315772), (3548, 245462), (4984, 174739), (5516, 157886), (6209, 140264), (7096, 122731), (11032, 78943), (12418, 70132), (17533, 49672), (24836, 35066)]