281881264

素因数分解:

$2^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{4273}}^1$

素因数の和:4338

約数の個数: 80

約数和(自身を含む): 678369280

約数和(自身を除く): 396488016

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 31, 38, 56, 62, 76, 112, 124, 133, 152, 217, 248, 266, 304, 434, 496, 532, 589, 868, 1064, 1178, 1736, 2128, 2356, 3472, 4123, 4273, 4712, 8246, 8546, 9424, 16492, 17092, 29911, 32984, 34184, 59822, 65968, 68368, 81187, 119644, 132463, 162374, 239288, 264926, 324748, 478576, 529852, 568309, 649496, 927241, 1059704, 1136618, 1298992, 1854482, 2119408, 2273236, 2516797, 3708964, 4546472, 5033594, 7417928, 9092944, 10067188, 14835856, 17617579, 20134376, 35235158, 40268752, 70470316, 140940632, 281881264]

約数ペア:

[(1, 281881264), (2, 140940632), (4, 70470316), (7, 40268752), (8, 35235158), (14, 20134376), (16, 17617579), (19, 14835856), (28, 10067188), (31, 9092944), (38, 7417928), (56, 5033594), (62, 4546472), (76, 3708964), (112, 2516797), (124, 2273236), (133, 2119408), (152, 1854482), (217, 1298992), (248, 1136618), (266, 1059704), (304, 927241), (434, 649496), (496, 568309), (532, 529852), (589, 478576), (868, 324748), (1064, 264926), (1178, 239288), (1736, 162374), (2128, 132463), (2356, 119644), (3472, 81187), (4123, 68368), (4273, 65968), (4712, 59822), (8246, 34184), (8546, 32984), (9424, 29911), (16492, 17092)]