388208156638

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{196262971}}^1$

素因数の和:196263039

約数の個数: 16

約数和(自身を含む): 621761095296

約数和(自身を除く): 233552938658

約数列:

[1, 2, 23, 43, 46, 86, 989, 1978, 196262971, 392525942, 4514048333, 8439307753, 9028096666, 16878615506, 194104078319, 388208156638]

約数ペア:

[(1, 388208156638), (2, 194104078319), (23, 16878615506), (43, 9028096666), (46, 8439307753), (86, 4514048333), (989, 392525942), (1978, 196262971)]