399743596

素因数分解:

$2^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{97}}^1\times {\mathrm{2777}}^1$

素因数の和:2938

約数の個数: 48

約数和(自身を含む): 823265856

約数和(自身を除く): 423522260

約数列:

[1, 2, 4, 7, 14, 28, 53, 97, 106, 194, 212, 371, 388, 679, 742, 1358, 1484, 2716, 2777, 5141, 5554, 10282, 11108, 19439, 20564, 35987, 38878, 71974, 77756, 143948, 147181, 269369, 294362, 538738, 588724, 1030267, 1077476, 1885583, 2060534, 3771166, 4121068, 7542332, 14276557, 28553114, 57106228, 99935899, 199871798, 399743596]

約数ペア:

[(1, 399743596), (2, 199871798), (4, 99935899), (7, 57106228), (14, 28553114), (28, 14276557), (53, 7542332), (97, 4121068), (106, 3771166), (194, 2060534), (212, 1885583), (371, 1077476), (388, 1030267), (679, 588724), (742, 538738), (1358, 294362), (1484, 269369), (2716, 147181), (2777, 143948), (5141, 77756), (5554, 71974), (10282, 38878), (11108, 35987), (19439, 20564)]