55571890

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{557}}^1\times {\mathrm{907}}^1$

素因数の和:1482

約数の個数: 32

約数和(自身を含む): 109439424

約数和(自身を除く): 53867534

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 557, 907, 1114, 1814, 2785, 4535, 5570, 6127, 9070, 9977, 12254, 19954, 30635, 49885, 61270, 99770, 505199, 1010398, 2525995, 5051990, 5557189, 11114378, 27785945, 55571890]

約数ペア:

[(1, 55571890), (2, 27785945), (5, 11114378), (10, 5557189), (11, 5051990), (22, 2525995), (55, 1010398), (110, 505199), (557, 99770), (907, 61270), (1114, 49885), (1814, 30635), (2785, 19954), (4535, 12254), (5570, 9977), (6127, 9070)]