71379748

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{991}}^1\times {\mathrm{1637}}^1$

素因数の和:2643

約数の個数: 24

約数和(自身を含む): 136491264

約数和(自身を除く): 65111516

約数列:

[1, 2, 4, 11, 22, 44, 991, 1637, 1982, 3274, 3964, 6548, 10901, 18007, 21802, 36014, 43604, 72028, 1622267, 3244534, 6489068, 17844937, 35689874, 71379748]

約数ペア:

[(1, 71379748), (2, 35689874), (4, 17844937), (11, 6489068), (22, 3244534), (44, 1622267), (991, 72028), (1637, 43604), (1982, 36014), (3274, 21802), (3964, 18007), (6548, 10901)]