388975106

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{647}}^1\times {\mathrm{1217}}^1$

素因数の和:1898

約数の個数: 32

約数和(自身を含む): 662981760

約数和(自身を除く): 274006654

約数列:

[1, 2, 13, 19, 26, 38, 247, 494, 647, 1217, 1294, 2434, 8411, 12293, 15821, 16822, 23123, 24586, 31642, 46246, 159809, 300599, 319618, 601198, 787399, 1574798, 10236187, 14960581, 20472374, 29921162, 194487553, 388975106]

約数ペア:

[(1, 388975106), (2, 194487553), (13, 29921162), (19, 20472374), (26, 14960581), (38, 10236187), (247, 1574798), (494, 787399), (647, 601198), (1217, 319618), (1294, 300599), (2434, 159809), (8411, 46246), (12293, 31642), (15821, 24586), (16822, 23123)]