259207630

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{173}}^1\times {\mathrm{257}}^1$

素因数の和:501

約数の個数: 64

約数和(自身を含む): 523620288

約数和(自身を除く): 264412658

約数列:

[1, 2, 5, 10, 11, 22, 53, 55, 106, 110, 173, 257, 265, 346, 514, 530, 583, 865, 1166, 1285, 1730, 1903, 2570, 2827, 2915, 3806, 5654, 5830, 9169, 9515, 13621, 14135, 18338, 19030, 27242, 28270, 44461, 45845, 68105, 88922, 91690, 100859, 136210, 149831, 201718, 222305, 299662, 444610, 489071, 504295, 749155, 978142, 1008590, 1498310, 2356433, 2445355, 4712866, 4890710, 11782165, 23564330, 25920763, 51841526, 129603815, 259207630]

約数ペア:

[(1, 259207630), (2, 129603815), (5, 51841526), (10, 25920763), (11, 23564330), (22, 11782165), (53, 4890710), (55, 4712866), (106, 2445355), (110, 2356433), (173, 1498310), (257, 1008590), (265, 978142), (346, 749155), (514, 504295), (530, 489071), (583, 444610), (865, 299662), (1166, 222305), (1285, 201718), (1730, 149831), (1903, 136210), (2570, 100859), (2827, 91690), (2915, 88922), (3806, 68105), (5654, 45845), (5830, 44461), (9169, 28270), (9515, 27242), (13621, 19030), (14135, 18338)]