7156978556

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{21871}}^1$

素因数の和:21955

約数の個数: 96

約数和(自身を含む): 16461742080

約数和(自身を除く): 9304763524

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 29, 31, 52, 58, 62, 91, 116, 124, 182, 203, 217, 364, 377, 403, 406, 434, 754, 806, 812, 868, 899, 1508, 1612, 1798, 2639, 2821, 3596, 5278, 5642, 6293, 10556, 11284, 11687, 12586, 21871, 23374, 25172, 43742, 46748, 81809, 87484, 153097, 163618, 284323, 306194, 327236, 568646, 612388, 634259, 678001, 1137292, 1268518, 1356002, 1990261, 2537036, 2712004, 3980522, 4439813, 4746007, 7961044, 8245367, 8814013, 8879626, 9492014, 16490734, 17628026, 17759252, 18984028, 19662029, 32981468, 35256052, 39324058, 57717569, 61698091, 78648116, 115435138, 123396182, 137634203, 230870276, 246792364, 255606377, 275268406, 511212754, 550536812, 1022425508, 1789244639, 3578489278, 7156978556]

約数ペア:

[(1, 7156978556), (2, 3578489278), (4, 1789244639), (7, 1022425508), (13, 550536812), (14, 511212754), (26, 275268406), (28, 255606377), (29, 246792364), (31, 230870276), (52, 137634203), (58, 123396182), (62, 115435138), (91, 78648116), (116, 61698091), (124, 57717569), (182, 39324058), (203, 35256052), (217, 32981468), (364, 19662029), (377, 18984028), (403, 17759252), (406, 17628026), (434, 16490734), (754, 9492014), (806, 8879626), (812, 8814013), (868, 8245367), (899, 7961044), (1508, 4746007), (1612, 4439813), (1798, 3980522), (2639, 2712004), (2821, 2537036), (3596, 1990261), (5278, 1356002), (5642, 1268518), (6293, 1137292), (10556, 678001), (11284, 634259), (11687, 612388), (12586, 568646), (21871, 327236), (23374, 306194), (25172, 284323), (43742, 163618), (46748, 153097), (81809, 87484)]