1688971336

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{311}}^1\times {\mathrm{661}}^1$

素因数の和:1070

約数の個数: 64

約数和(自身を含む): 3469939200

約数和(自身を除く): 1780967864

約数列:

[1, 2, 4, 8, 13, 26, 52, 79, 104, 158, 311, 316, 622, 632, 661, 1027, 1244, 1322, 2054, 2488, 2644, 4043, 4108, 5288, 8086, 8216, 8593, 16172, 17186, 24569, 32344, 34372, 49138, 52219, 68744, 98276, 104438, 196552, 205571, 208876, 319397, 411142, 417752, 638794, 678847, 822284, 1277588, 1357694, 1644568, 2555176, 2672423, 2715388, 5344846, 5430776, 10689692, 16240109, 21379384, 32480218, 64960436, 129920872, 211121417, 422242834, 844485668, 1688971336]

約数ペア:

[(1, 1688971336), (2, 844485668), (4, 422242834), (8, 211121417), (13, 129920872), (26, 64960436), (52, 32480218), (79, 21379384), (104, 16240109), (158, 10689692), (311, 5430776), (316, 5344846), (622, 2715388), (632, 2672423), (661, 2555176), (1027, 1644568), (1244, 1357694), (1322, 1277588), (2054, 822284), (2488, 678847), (2644, 638794), (4043, 417752), (4108, 411142), (5288, 319397), (8086, 208876), (8216, 205571), (8593, 196552), (16172, 104438), (17186, 98276), (24569, 68744), (32344, 52219), (34372, 49138)]