20131177885

素因数分解:

$5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{3847}}^1$

素因数の和:3963

約数の個数: 96

約数和(自身を含む): 31837059072

約数和(自身を除く): 11705881187

約数列:

[1, 5, 7, 13, 31, 35, 49, 53, 65, 91, 155, 217, 245, 265, 371, 403, 455, 637, 689, 1085, 1519, 1643, 1855, 2015, 2597, 2821, 3185, 3445, 3847, 4823, 7595, 8215, 11501, 12985, 14105, 19235, 19747, 21359, 24115, 26929, 33761, 50011, 57505, 80507, 98735, 106795, 119257, 134645, 149513, 168805, 188503, 203891, 250055, 350077, 402535, 596285, 747565, 834799, 942515, 1019455, 1046591, 1427237, 1550341, 1750385, 2450539, 2650583, 4173995, 5232955, 5843593, 6320621, 7136185, 7751705, 9990659, 10852387, 12252695, 13252915, 18554081, 29217965, 31603105, 44244347, 49953295, 54261935, 75966709, 82168073, 92770405, 129878567, 221221735, 309710429, 379833545, 410840365, 575176511, 649392835, 1548552145, 2875882555, 4026235577, 20131177885]

約数ペア:

[(1, 20131177885), (5, 4026235577), (7, 2875882555), (13, 1548552145), (31, 649392835), (35, 575176511), (49, 410840365), (53, 379833545), (65, 309710429), (91, 221221735), (155, 129878567), (217, 92770405), (245, 82168073), (265, 75966709), (371, 54261935), (403, 49953295), (455, 44244347), (637, 31603105), (689, 29217965), (1085, 18554081), (1519, 13252915), (1643, 12252695), (1855, 10852387), (2015, 9990659), (2597, 7751705), (2821, 7136185), (3185, 6320621), (3445, 5843593), (3847, 5232955), (4823, 4173995), (7595, 2650583), (8215, 2450539), (11501, 1750385), (12985, 1550341), (14105, 1427237), (19235, 1046591), (19747, 1019455), (21359, 942515), (24115, 834799), (26929, 747565), (33761, 596285), (50011, 402535), (57505, 350077), (80507, 250055), (98735, 203891), (106795, 188503), (119257, 168805), (134645, 149513)]