131294512

素因数分解:

$2^4\times {\mathrm{103}}^1\times {\mathrm{79669}}^1$

素因数の和:79780

約数の個数: 20

約数和(自身を含む): 256856080

約数和(自身を除く): 125561568

約数列:

[1, 2, 4, 8, 16, 103, 206, 412, 824, 1648, 79669, 159338, 318676, 637352, 1274704, 8205907, 16411814, 32823628, 65647256, 131294512]

約数ペア:

[(1, 131294512), (2, 65647256), (4, 32823628), (8, 16411814), (16, 8205907), (103, 1274704), (206, 637352), (412, 318676), (824, 159338), (1648, 79669)]