81170584

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{1129}}^1$

素因数の和:1208

約数の個数: 64

約数和(自身を含む): 178992000

約数和(自身を除く): 97821416

約数列:

[1, 2, 4, 8, 11, 19, 22, 38, 43, 44, 76, 86, 88, 152, 172, 209, 344, 418, 473, 817, 836, 946, 1129, 1634, 1672, 1892, 2258, 3268, 3784, 4516, 6536, 8987, 9032, 12419, 17974, 21451, 24838, 35948, 42902, 48547, 49676, 71896, 85804, 97094, 99352, 171608, 194188, 235961, 388376, 471922, 534017, 922393, 943844, 1068034, 1844786, 1887688, 2136068, 3689572, 4272136, 7379144, 10146323, 20292646, 40585292, 81170584]

約数ペア:

[(1, 81170584), (2, 40585292), (4, 20292646), (8, 10146323), (11, 7379144), (19, 4272136), (22, 3689572), (38, 2136068), (43, 1887688), (44, 1844786), (76, 1068034), (86, 943844), (88, 922393), (152, 534017), (172, 471922), (209, 388376), (344, 235961), (418, 194188), (473, 171608), (817, 99352), (836, 97094), (946, 85804), (1129, 71896), (1634, 49676), (1672, 48547), (1892, 42902), (2258, 35948), (3268, 24838), (3784, 21451), (4516, 17974), (6536, 12419), (8987, 9032)]