521730155

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{3137}}^1$

素因数の和:3239

約数の個数: 32

約数和(自身を含む): 686845440

約数和(自身を除く): 165115285

約数列:

[1, 5, 29, 31, 37, 145, 155, 185, 899, 1073, 1147, 3137, 4495, 5365, 5735, 15685, 33263, 90973, 97247, 116069, 166315, 454865, 486235, 580345, 2820163, 3366001, 3598139, 14100815, 16830005, 17990695, 104346031, 521730155]

約数ペア:

[(1, 521730155), (5, 104346031), (29, 17990695), (31, 16830005), (37, 14100815), (145, 3598139), (155, 3366001), (185, 2820163), (899, 580345), (1073, 486235), (1147, 454865), (3137, 166315), (4495, 116069), (5365, 97247), (5735, 90973), (15685, 33263)]