38978416

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{3049}}^1$

素因数の和:3121

約数の個数: 40

約数和(自身を含む): 81691200

約数和(自身を除く): 42712784

約数列:

[1, 2, 4, 8, 16, 17, 34, 47, 68, 94, 136, 188, 272, 376, 752, 799, 1598, 3049, 3196, 6098, 6392, 12196, 12784, 24392, 48784, 51833, 103666, 143303, 207332, 286606, 414664, 573212, 829328, 1146424, 2292848, 2436151, 4872302, 9744604, 19489208, 38978416]

約数ペア:

[(1, 38978416), (2, 19489208), (4, 9744604), (8, 4872302), (16, 2436151), (17, 2292848), (34, 1146424), (47, 829328), (68, 573212), (94, 414664), (136, 286606), (188, 207332), (272, 143303), (376, 103666), (752, 51833), (799, 48784), (1598, 24392), (3049, 12784), (3196, 12196), (6098, 6392)]