821034256

素因数分解:

$2^4\times 7^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{2657}}^1$

素因数の和:2792

約数の個数: 80

約数和(自身を含む): 1898449920

約数和(自身を除く): 1077415664

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 56, 62, 89, 112, 124, 178, 217, 248, 356, 434, 496, 623, 712, 868, 1246, 1424, 1736, 2492, 2657, 2759, 3472, 4984, 5314, 5518, 9968, 10628, 11036, 18599, 19313, 21256, 22072, 37198, 38626, 42512, 44144, 74396, 77252, 82367, 148792, 154504, 164734, 236473, 297584, 309008, 329468, 472946, 576569, 658936, 945892, 1153138, 1317872, 1655311, 1891784, 2306276, 3310622, 3783568, 4612552, 6621244, 7330663, 9225104, 13242488, 14661326, 26484976, 29322652, 51314641, 58645304, 102629282, 117290608, 205258564, 410517128, 821034256]

約数ペア:

[(1, 821034256), (2, 410517128), (4, 205258564), (7, 117290608), (8, 102629282), (14, 58645304), (16, 51314641), (28, 29322652), (31, 26484976), (56, 14661326), (62, 13242488), (89, 9225104), (112, 7330663), (124, 6621244), (178, 4612552), (217, 3783568), (248, 3310622), (356, 2306276), (434, 1891784), (496, 1655311), (623, 1317872), (712, 1153138), (868, 945892), (1246, 658936), (1424, 576569), (1736, 472946), (2492, 329468), (2657, 309008), (2759, 297584), (3472, 236473), (4984, 164734), (5314, 154504), (5518, 148792), (9968, 82367), (10628, 77252), (11036, 74396), (18599, 44144), (19313, 42512), (21256, 38626), (22072, 37198)]