157213828

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{419}}^1\times {\mathrm{4937}}^1$

素因数の和:5379

約数の個数: 24

約数和(自身を含む): 290354400

約数和(自身を除く): 133140572

約数列:

[1, 2, 4, 19, 38, 76, 419, 838, 1676, 4937, 7961, 9874, 15922, 19748, 31844, 93803, 187606, 375212, 2068603, 4137206, 8274412, 39303457, 78606914, 157213828]

約数ペア:

[(1, 157213828), (2, 78606914), (4, 39303457), (19, 8274412), (38, 4137206), (76, 2068603), (419, 375212), (838, 187606), (1676, 93803), (4937, 31844), (7961, 19748), (9874, 15922)]