1261566145

素因数分解:

$5^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{349949}}^1$

素因数の和:350064

約数の個数: 16

約数和(自身を含む): 1746950400

約数和(自身を除く): 485384255

約数列:

[1, 5, 7, 35, 103, 515, 721, 3605, 349949, 1749745, 2449643, 12248215, 36044747, 180223735, 252313229, 1261566145]

約数ペア:

[(1, 1261566145), (5, 252313229), (7, 180223735), (35, 36044747), (103, 12248215), (515, 2449643), (721, 1749745), (3605, 349949)]