390724

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{137}}^1$

素因数の和:195

約数の個数: 24

約数和(自身を含む): 741888

約数和(自身を除く): 351164

約数列:

[1, 2, 4, 23, 31, 46, 62, 92, 124, 137, 274, 548, 713, 1426, 2852, 3151, 4247, 6302, 8494, 12604, 16988, 97681, 195362, 390724]

約数ペア:

[(1, 390724), (2, 195362), (4, 97681), (23, 16988), (31, 12604), (46, 8494), (62, 6302), (92, 4247), (124, 3151), (137, 2852), (274, 1426), (548, 713)]