397331312

素因数分解:

$2^4\times 7^1\times {\mathrm{179}}^1\times {\mathrm{19819}}^1$

素因数の和:20013

約数の個数: 40

約数和(自身を含む): 884764800

約数和(自身を除く): 487433488

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 179, 358, 716, 1253, 1432, 2506, 2864, 5012, 10024, 19819, 20048, 39638, 79276, 138733, 158552, 277466, 317104, 554932, 1109864, 2219728, 3547601, 7095202, 14190404, 24833207, 28380808, 49666414, 56761616, 99332828, 198665656, 397331312]

約数ペア:

[(1, 397331312), (2, 198665656), (4, 99332828), (7, 56761616), (8, 49666414), (14, 28380808), (16, 24833207), (28, 14190404), (56, 7095202), (112, 3547601), (179, 2219728), (358, 1109864), (716, 554932), (1253, 317104), (1432, 277466), (2506, 158552), (2864, 138733), (5012, 79276), (10024, 39638), (19819, 20048)]