648789238

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{216119}}^1$

素因数の和:216219

約数の個数: 16

約数和(自身を含む): 1037376000

約数和(自身を除く): 388586762

約数列:

[1, 2, 19, 38, 79, 158, 1501, 3002, 216119, 432238, 4106261, 8212522, 17073401, 34146802, 324394619, 648789238]

約数ペア:

[(1, 648789238), (2, 324394619), (19, 34146802), (38, 17073401), (79, 8212522), (158, 4106261), (1501, 432238), (3002, 216119)]