199957725008

素因数分解:

$2^4\times {\mathrm{103}}^1\times {\mathrm{121333571}}^1$

素因数の和:121333682

約数の個数: 20

約数和(自身を含む): 391179436128

約数和(自身を除く): 191221711120

約数列:

[1, 2, 4, 8, 16, 103, 206, 412, 824, 1648, 121333571, 242667142, 485334284, 970668568, 1941337136, 12497357813, 24994715626, 49989431252, 99978862504, 199957725008]

約数ペア:

[(1, 199957725008), (2, 99978862504), (4, 49989431252), (8, 24994715626), (16, 12497357813), (103, 1941337136), (206, 970668568), (412, 485334284), (824, 242667142), (1648, 121333571)]