1216304

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{4001}}^1$

素因数の和:4028

約数の個数: 20

約数和(自身を含む): 2481240

約数和(自身を除く): 1264936

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 4001, 8002, 16004, 32008, 64016, 76019, 152038, 304076, 608152, 1216304]

約数ペア:

[(1, 1216304), (2, 608152), (4, 304076), (8, 152038), (16, 76019), (19, 64016), (38, 32008), (76, 16004), (152, 8002), (304, 4001)]