263719504

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{499}}^1$

素因数の和:620

約数の個数: 80

約数和(自身を含む): 569160000

約数和(自身を除く): 305440496

約数列:

[1, 2, 4, 8, 16, 17, 29, 34, 58, 67, 68, 116, 134, 136, 232, 268, 272, 464, 493, 499, 536, 986, 998, 1072, 1139, 1943, 1972, 1996, 2278, 3886, 3944, 3992, 4556, 7772, 7888, 7984, 8483, 9112, 14471, 15544, 16966, 18224, 28942, 31088, 33031, 33433, 33932, 57884, 66062, 66866, 67864, 115768, 132124, 133732, 135728, 231536, 246007, 264248, 267464, 492014, 528496, 534928, 568361, 969557, 984028, 1136722, 1939114, 1968056, 2273444, 3878228, 3936112, 4546888, 7756456, 9093776, 15512912, 16482469, 32964938, 65929876, 131859752, 263719504]

約数ペア:

[(1, 263719504), (2, 131859752), (4, 65929876), (8, 32964938), (16, 16482469), (17, 15512912), (29, 9093776), (34, 7756456), (58, 4546888), (67, 3936112), (68, 3878228), (116, 2273444), (134, 1968056), (136, 1939114), (232, 1136722), (268, 984028), (272, 969557), (464, 568361), (493, 534928), (499, 528496), (536, 492014), (986, 267464), (998, 264248), (1072, 246007), (1139, 231536), (1943, 135728), (1972, 133732), (1996, 132124), (2278, 115768), (3886, 67864), (3944, 66866), (3992, 66062), (4556, 57884), (7772, 33932), (7888, 33433), (7984, 33031), (8483, 31088), (9112, 28942), (14471, 18224), (15544, 16966)]