1296312784

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{167}}^1\times {\mathrm{557}}^1$

素因数の和:812

約数の個数: 80

約数和(自身を含む): 2766572928

約数和(自身を除く): 1470260144

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 67, 104, 134, 167, 208, 268, 334, 536, 557, 668, 871, 1072, 1114, 1336, 1742, 2171, 2228, 2672, 3484, 4342, 4456, 6968, 7241, 8684, 8912, 11189, 13936, 14482, 17368, 22378, 28964, 34736, 37319, 44756, 57928, 74638, 89512, 93019, 115856, 145457, 149276, 179024, 186038, 290914, 298552, 372076, 485147, 581828, 597104, 744152, 970294, 1163656, 1209247, 1488304, 1940588, 2327312, 2418494, 3881176, 4836988, 6232273, 7762352, 9673976, 12464546, 19347952, 24929092, 49858184, 81019549, 99716368, 162039098, 324078196, 648156392, 1296312784]

約数ペア:

[(1, 1296312784), (2, 648156392), (4, 324078196), (8, 162039098), (13, 99716368), (16, 81019549), (26, 49858184), (52, 24929092), (67, 19347952), (104, 12464546), (134, 9673976), (167, 7762352), (208, 6232273), (268, 4836988), (334, 3881176), (536, 2418494), (557, 2327312), (668, 1940588), (871, 1488304), (1072, 1209247), (1114, 1163656), (1336, 970294), (1742, 744152), (2171, 597104), (2228, 581828), (2672, 485147), (3484, 372076), (4342, 298552), (4456, 290914), (6968, 186038), (7241, 179024), (8684, 149276), (8912, 145457), (11189, 115856), (13936, 93019), (14482, 89512), (17368, 74638), (22378, 57928), (28964, 44756), (34736, 37319)]