66978952

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{440651}}^1$

素因数の和:440676

約数の個数: 16

約数和(自身を含む): 132195600

約数和(自身を除く): 65216648

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 440651, 881302, 1762604, 3525208, 8372369, 16744738, 33489476, 66978952]

約数ペア:

[(1, 66978952), (2, 33489476), (4, 16744738), (8, 8372369), (19, 3525208), (38, 1762604), (76, 881302), (152, 440651)]