165928609

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{139}}^1\times {\mathrm{419}}^1$

素因数の和:613

約数の個数: 32

約数和(自身を含む): 214502400

約数和(自身を除く): 48573791

約数列:

[1, 7, 11, 37, 77, 139, 259, 407, 419, 973, 1529, 2849, 2933, 4609, 5143, 10703, 15503, 32263, 36001, 56573, 58241, 108521, 170533, 396011, 407687, 640651, 1193731, 2154917, 4484557, 15084419, 23704087, 165928609]

約数ペア:

[(1, 165928609), (7, 23704087), (11, 15084419), (37, 4484557), (77, 2154917), (139, 1193731), (259, 640651), (407, 407687), (419, 396011), (973, 170533), (1529, 108521), (2849, 58241), (2933, 56573), (4609, 36001), (5143, 32263), (10703, 15503)]