253286495

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{4733}}^1$

素因数の和:4895

約数の個数: 32

約数和(自身を含む): 381749760

約数和(自身を除く): 128463265

約数列:

[1, 5, 7, 11, 35, 55, 77, 139, 385, 695, 973, 1529, 4733, 4865, 7645, 10703, 23665, 33131, 52063, 53515, 165655, 260315, 364441, 657887, 1822205, 3289435, 4605209, 7236757, 23026045, 36183785, 50657299, 253286495]

約数ペア:

[(1, 253286495), (5, 50657299), (7, 36183785), (11, 23026045), (35, 7236757), (55, 4605209), (77, 3289435), (139, 1822205), (385, 657887), (695, 364441), (973, 260315), (1529, 165655), (4733, 53515), (4865, 52063), (7645, 33131), (10703, 23665)]