1649674016

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{109}}^1\times {\mathrm{647}}^1$

素因数の和:826

約数の個数: 96

約数和(自身を含む): 3556586880

約数和(自身を除く): 1906912864

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 43, 68, 86, 109, 136, 172, 218, 272, 344, 436, 544, 647, 688, 731, 872, 1294, 1376, 1462, 1744, 1853, 2588, 2924, 3488, 3706, 4687, 5176, 5848, 7412, 9374, 10352, 10999, 11696, 14824, 18748, 20704, 21998, 23392, 27821, 29648, 37496, 43996, 55642, 59296, 70523, 74992, 79679, 87992, 111284, 141046, 149984, 159358, 175984, 222568, 282092, 318716, 351968, 445136, 472957, 564184, 637432, 890272, 945914, 1128368, 1198891, 1274864, 1891828, 2256736, 2397782, 2549728, 3032489, 3783656, 4795564, 6064978, 7567312, 9591128, 12129956, 15134624, 19182256, 24259912, 38364512, 48519824, 51552313, 97039648, 103104626, 206209252, 412418504, 824837008, 1649674016]

約数ペア:

[(1, 1649674016), (2, 824837008), (4, 412418504), (8, 206209252), (16, 103104626), (17, 97039648), (32, 51552313), (34, 48519824), (43, 38364512), (68, 24259912), (86, 19182256), (109, 15134624), (136, 12129956), (172, 9591128), (218, 7567312), (272, 6064978), (344, 4795564), (436, 3783656), (544, 3032489), (647, 2549728), (688, 2397782), (731, 2256736), (872, 1891828), (1294, 1274864), (1376, 1198891), (1462, 1128368), (1744, 945914), (1853, 890272), (2588, 637432), (2924, 564184), (3488, 472957), (3706, 445136), (4687, 351968), (5176, 318716), (5848, 282092), (7412, 222568), (9374, 175984), (10352, 159358), (10999, 149984), (11696, 141046), (14824, 111284), (18748, 87992), (20704, 79679), (21998, 74992), (23392, 70523), (27821, 59296), (29648, 55642), (37496, 43996)]