440727872

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{401}}^1\times {\mathrm{1321}}^1$

素因数の和:1747

約数の個数: 56

約数和(自身を含む): 944907432

約数和(自身を除く): 504179560

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 208, 401, 416, 802, 832, 1321, 1604, 2642, 3208, 5213, 5284, 6416, 10426, 10568, 12832, 17173, 20852, 21136, 25664, 34346, 41704, 42272, 68692, 83408, 84544, 137384, 166816, 274768, 333632, 529721, 549536, 1059442, 1099072, 2118884, 4237768, 6886373, 8475536, 13772746, 16951072, 27545492, 33902144, 55090984, 110181968, 220363936, 440727872]

約数ペア:

[(1, 440727872), (2, 220363936), (4, 110181968), (8, 55090984), (13, 33902144), (16, 27545492), (26, 16951072), (32, 13772746), (52, 8475536), (64, 6886373), (104, 4237768), (208, 2118884), (401, 1099072), (416, 1059442), (802, 549536), (832, 529721), (1321, 333632), (1604, 274768), (2642, 166816), (3208, 137384), (5213, 84544), (5284, 83408), (6416, 68692), (10426, 42272), (10568, 41704), (12832, 34346), (17173, 25664), (20852, 21136)]