28549204775

素因数分解:

$5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{449}}^1\times {\mathrm{1471}}^1$

素因数の和:1969

約数の個数: 96

約数和(自身を含む): 45997056000

約数和(自身を除く): 17447851225

約数列:

[1, 5, 7, 13, 19, 25, 35, 65, 91, 95, 133, 175, 247, 325, 449, 455, 475, 665, 1235, 1471, 1729, 2245, 2275, 3143, 3325, 5837, 6175, 7355, 8531, 8645, 10297, 11225, 15715, 19123, 27949, 29185, 36775, 40859, 42655, 43225, 51485, 59717, 78575, 95615, 110903, 133861, 139745, 145925, 195643, 204295, 213275, 257425, 298585, 363337, 478075, 554515, 660479, 669305, 698725, 776321, 978215, 1021475, 1492925, 1816685, 2543359, 2772575, 3302395, 3346525, 3881605, 4623353, 4891075, 8586227, 9083425, 12549101, 12716795, 16511975, 19408025, 23116765, 42931135, 60103589, 62745505, 63583975, 87843707, 115583825, 163138313, 214655675, 300517945, 313727525, 439218535, 815691565, 1141968191, 1502589725, 2196092675, 4078457825, 5709840955, 28549204775]

約数ペア:

[(1, 28549204775), (5, 5709840955), (7, 4078457825), (13, 2196092675), (19, 1502589725), (25, 1141968191), (35, 815691565), (65, 439218535), (91, 313727525), (95, 300517945), (133, 214655675), (175, 163138313), (247, 115583825), (325, 87843707), (449, 63583975), (455, 62745505), (475, 60103589), (665, 42931135), (1235, 23116765), (1471, 19408025), (1729, 16511975), (2245, 12716795), (2275, 12549101), (3143, 9083425), (3325, 8586227), (5837, 4891075), (6175, 4623353), (7355, 3881605), (8531, 3346525), (8645, 3302395), (10297, 2772575), (11225, 2543359), (15715, 1816685), (19123, 1492925), (27949, 1021475), (29185, 978215), (36775, 776321), (40859, 698725), (42655, 669305), (43225, 660479), (51485, 554515), (59717, 478075), (78575, 363337), (95615, 298585), (110903, 257425), (133861, 213275), (139745, 204295), (145925, 195643)]