403960864

素因数分解:

$2^5\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{6551}}^1$

素因数の和:6649

約数の個数: 48

約数和(自身を含む): 832156416

約数和(自身を除く): 428195552

約数列:

[1, 2, 4, 8, 16, 32, 41, 47, 82, 94, 164, 188, 328, 376, 656, 752, 1312, 1504, 1927, 3854, 6551, 7708, 13102, 15416, 26204, 30832, 52408, 61664, 104816, 209632, 268591, 307897, 537182, 615794, 1074364, 1231588, 2148728, 2463176, 4297456, 4926352, 8594912, 9852704, 12623777, 25247554, 50495108, 100990216, 201980432, 403960864]

約数ペア:

[(1, 403960864), (2, 201980432), (4, 100990216), (8, 50495108), (16, 25247554), (32, 12623777), (41, 9852704), (47, 8594912), (82, 4926352), (94, 4297456), (164, 2463176), (188, 2148728), (328, 1231588), (376, 1074364), (656, 615794), (752, 537182), (1312, 307897), (1504, 268591), (1927, 209632), (3854, 104816), (6551, 61664), (7708, 52408), (13102, 30832), (15416, 26204)]