81605384

素因数分解:

$2^3\times 7^2\times {\mathrm{179}}^1\times {\mathrm{1163}}^1$

素因数の和:1362

約数の個数: 48

約数和(自身を含む): 179139600

約数和(自身を除く): 97534216

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 179, 196, 358, 392, 716, 1163, 1253, 1432, 2326, 2506, 4652, 5012, 8141, 8771, 9304, 10024, 16282, 17542, 32564, 35084, 56987, 65128, 70168, 113974, 208177, 227948, 416354, 455896, 832708, 1457239, 1665416, 2914478, 5828956, 10200673, 11657912, 20401346, 40802692, 81605384]

約数ペア:

[(1, 81605384), (2, 40802692), (4, 20401346), (7, 11657912), (8, 10200673), (14, 5828956), (28, 2914478), (49, 1665416), (56, 1457239), (98, 832708), (179, 455896), (196, 416354), (358, 227948), (392, 208177), (716, 113974), (1163, 70168), (1253, 65128), (1432, 56987), (2326, 35084), (2506, 32564), (4652, 17542), (5012, 16282), (8141, 10024), (8771, 9304)]