2128739912

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{379}}^1\times {\mathrm{1019}}^1$

素因数の和:1470

約数の個数: 64

約数和(自身を含む): 4395384000

約数和(自身を除く): 2266644088

約数列:

[1, 2, 4, 8, 13, 26, 52, 53, 104, 106, 212, 379, 424, 689, 758, 1019, 1378, 1516, 2038, 2756, 3032, 4076, 4927, 5512, 8152, 9854, 13247, 19708, 20087, 26494, 39416, 40174, 52988, 54007, 80348, 105976, 108014, 160696, 216028, 261131, 386201, 432056, 522262, 702091, 772402, 1044524, 1404182, 1544804, 2089048, 2808364, 3089608, 5020613, 5616728, 10041226, 20082452, 20468653, 40164904, 40937306, 81874612, 163749224, 266092489, 532184978, 1064369956, 2128739912]

約数ペア:

[(1, 2128739912), (2, 1064369956), (4, 532184978), (8, 266092489), (13, 163749224), (26, 81874612), (52, 40937306), (53, 40164904), (104, 20468653), (106, 20082452), (212, 10041226), (379, 5616728), (424, 5020613), (689, 3089608), (758, 2808364), (1019, 2089048), (1378, 1544804), (1516, 1404182), (2038, 1044524), (2756, 772402), (3032, 702091), (4076, 522262), (4927, 432056), (5512, 386201), (8152, 261131), (9854, 216028), (13247, 160696), (19708, 108014), (20087, 105976), (26494, 80348), (39416, 54007), (40174, 52988)]