64859890

素因数分解:

$2^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{307}}^1\times {\mathrm{571}}^1$

素因数の和:922

約数の個数: 32

約数和(自身を含む): 120504384

約数和(自身を除く): 55644494

約数列:

[1, 2, 5, 10, 37, 74, 185, 307, 370, 571, 614, 1142, 1535, 2855, 3070, 5710, 11359, 21127, 22718, 42254, 56795, 105635, 113590, 175297, 211270, 350594, 876485, 1752970, 6485989, 12971978, 32429945, 64859890]

約数ペア:

[(1, 64859890), (2, 32429945), (5, 12971978), (10, 6485989), (37, 1752970), (74, 876485), (185, 350594), (307, 211270), (370, 175297), (571, 113590), (614, 105635), (1142, 56795), (1535, 42254), (2855, 22718), (3070, 21127), (5710, 11359)]