71858465

素因数分解:

$5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{643}}^1$

素因数の和:789

約数の個数: 32

約数和(自身を含む): 102875136

約数和(自身を除く): 31016671

約数列:

[1, 5, 7, 31, 35, 103, 155, 217, 515, 643, 721, 1085, 3193, 3215, 3605, 4501, 15965, 19933, 22351, 22505, 66229, 99665, 111755, 139531, 331145, 463603, 697655, 2053099, 2318015, 10265495, 14371693, 71858465]

約数ペア:

[(1, 71858465), (5, 14371693), (7, 10265495), (31, 2318015), (35, 2053099), (103, 697655), (155, 463603), (217, 331145), (515, 139531), (643, 111755), (721, 99665), (1085, 66229), (3193, 22505), (3215, 22351), (3605, 19933), (4501, 15965)]