64643890

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{313}}^1\times {\mathrm{1087}}^1$

素因数の和:1426

約数の個数: 32

約数和(自身を含む): 122987520

約数和(自身を除く): 58343630

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 313, 626, 1087, 1565, 2174, 3130, 5435, 5947, 10870, 11894, 20653, 29735, 41306, 59470, 103265, 206530, 340231, 680462, 1701155, 3402310, 6464389, 12928778, 32321945, 64643890]

約数ペア:

[(1, 64643890), (2, 32321945), (5, 12928778), (10, 6464389), (19, 3402310), (38, 1701155), (95, 680462), (190, 340231), (313, 206530), (626, 103265), (1087, 59470), (1565, 41306), (2174, 29735), (3130, 20653), (5435, 11894), (5947, 10870)]