258985656

素因数分解:

$2^3\times 3^2\times {\mathrm{19}}^1\times {\mathrm{31}}^2\times {\mathrm{197}}^1$

素因数の和:290

約数の個数: 144

約数和(自身を含む): 766794600

約数和(自身を除く): 507808944

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 19, 24, 31, 36, 38, 57, 62, 72, 76, 93, 114, 124, 152, 171, 186, 197, 228, 248, 279, 342, 372, 394, 456, 558, 589, 591, 684, 744, 788, 961, 1116, 1178, 1182, 1368, 1576, 1767, 1773, 1922, 2232, 2356, 2364, 2883, 3534, 3546, 3743, 3844, 4712, 4728, 5301, 5766, 6107, 7068, 7092, 7486, 7688, 8649, 10602, 11229, 11532, 12214, 14136, 14184, 14972, 17298, 18259, 18321, 21204, 22458, 23064, 24428, 29944, 33687, 34596, 36518, 36642, 42408, 44916, 48856, 54777, 54963, 67374, 69192, 73036, 73284, 89832, 109554, 109926, 116033, 134748, 146072, 146568, 164331, 189317, 219108, 219852, 232066, 269496, 328662, 348099, 378634, 438216, 439704, 464132, 567951, 657324, 696198, 757268, 928264, 1044297, 1135902, 1314648, 1392396, 1514536, 1703853, 2088594, 2271804, 2784792, 3407706, 3597023, 4177188, 4543608, 6815412, 7194046, 8354376, 10791069, 13630824, 14388092, 21582138, 28776184, 32373207, 43164276, 64746414, 86328552, 129492828, 258985656]

約数ペア:

[(1, 258985656), (2, 129492828), (3, 86328552), (4, 64746414), (6, 43164276), (8, 32373207), (9, 28776184), (12, 21582138), (18, 14388092), (19, 13630824), (24, 10791069), (31, 8354376), (36, 7194046), (38, 6815412), (57, 4543608), (62, 4177188), (72, 3597023), (76, 3407706), (93, 2784792), (114, 2271804), (124, 2088594), (152, 1703853), (171, 1514536), (186, 1392396), (197, 1314648), (228, 1135902), (248, 1044297), (279, 928264), (342, 757268), (372, 696198), (394, 657324), (456, 567951), (558, 464132), (589, 439704), (591, 438216), (684, 378634), (744, 348099), (788, 328662), (961, 269496), (1116, 232066), (1178, 219852), (1182, 219108), (1368, 189317), (1576, 164331), (1767, 146568), (1773, 146072), (1922, 134748), (2232, 116033), (2356, 109926), (2364, 109554), (2883, 89832), (3534, 73284), (3546, 73036), (3743, 69192), (3844, 67374), (4712, 54963), (4728, 54777), (5301, 48856), (5766, 44916), (6107, 42408), (7068, 36642), (7092, 36518), (7486, 34596), (7688, 33687), (8649, 29944), (10602, 24428), (11229, 23064), (11532, 22458), (12214, 21204), (14136, 18321), (14184, 18259), (14972, 17298)]