390137914

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{137}}^1\times {\mathrm{1997}}^1$

素因数の和:2190

約数の個数: 32

約数和(自身を含む): 635268096

約数和(自身を除く): 245130182

約数列:

[1, 2, 23, 31, 46, 62, 137, 274, 713, 1426, 1997, 3151, 3994, 4247, 6302, 8494, 45931, 61907, 91862, 97681, 123814, 195362, 273589, 547178, 1423861, 2847722, 6292547, 8481259, 12585094, 16962518, 195068957, 390137914]

約数ペア:

[(1, 390137914), (2, 195068957), (23, 16962518), (31, 12585094), (46, 8481259), (62, 6292547), (137, 2847722), (274, 1423861), (713, 547178), (1426, 273589), (1997, 195362), (3151, 123814), (3994, 97681), (4247, 91862), (6302, 61907), (8494, 45931)]