210971878

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{163}}^1\times {\mathrm{743}}^1$

素因数の和:988

約数の個数: 32

約数和(自身を含む): 348477696

約数和(自身を除く): 137505818

約数列:

[1, 2, 13, 26, 67, 134, 163, 326, 743, 871, 1486, 1742, 2119, 4238, 9659, 10921, 19318, 21842, 49781, 99562, 121109, 141973, 242218, 283946, 647153, 1294306, 1574417, 3148834, 8114303, 16228606, 105485939, 210971878]

約数ペア:

[(1, 210971878), (2, 105485939), (13, 16228606), (26, 8114303), (67, 3148834), (134, 1574417), (163, 1294306), (326, 647153), (743, 283946), (871, 242218), (1486, 141973), (1742, 121109), (2119, 99562), (4238, 49781), (9659, 21842), (10921, 19318)]