220165127

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{191}}^1\times {\mathrm{239}}^1$

素因数の和:503

約数の個数: 32

約数和(自身を含む): 278691840

約数和(自身を除く): 58526713

約数列:

[1, 7, 13, 53, 91, 191, 239, 371, 689, 1337, 1673, 2483, 3107, 4823, 10123, 12667, 17381, 21749, 45649, 70861, 88669, 131599, 164671, 319543, 593437, 921193, 1152697, 2419397, 4154059, 16935779, 31452161, 220165127]

約数ペア:

[(1, 220165127), (7, 31452161), (13, 16935779), (53, 4154059), (91, 2419397), (191, 1152697), (239, 921193), (371, 593437), (689, 319543), (1337, 164671), (1673, 131599), (2483, 88669), (3107, 70861), (4823, 45649), (10123, 21749), (12667, 17381)]