648675898

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{271}}^1\times {\mathrm{2141}}^1$

素因数の和:2470

約数の個数: 32

約数和(自身を含む): 1076689152

約数和(自身を除く): 428013254

約数列:

[1, 2, 13, 26, 43, 86, 271, 542, 559, 1118, 2141, 3523, 4282, 7046, 11653, 23306, 27833, 55666, 92063, 151489, 184126, 302978, 580211, 1160422, 1196819, 2393638, 7542743, 15085486, 24949073, 49898146, 324337949, 648675898]

約数ペア:

[(1, 648675898), (2, 324337949), (13, 49898146), (26, 24949073), (43, 15085486), (86, 7542743), (271, 2393638), (542, 1196819), (559, 1160422), (1118, 580211), (2141, 302978), (3523, 184126), (4282, 151489), (7046, 92063), (11653, 55666), (23306, 27833)]