71388288

素因数分解:

$2^7\times 3^2\times {\mathrm{31}}^1\times {\mathrm{1999}}^1$

素因数の和:2050

約数の個数: 96

約数和(自身を含む): 212160000

約数和(自身を除く): 140771712

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 31, 32, 36, 48, 62, 64, 72, 93, 96, 124, 128, 144, 186, 192, 248, 279, 288, 372, 384, 496, 558, 576, 744, 992, 1116, 1152, 1488, 1984, 1999, 2232, 2976, 3968, 3998, 4464, 5952, 5997, 7996, 8928, 11904, 11994, 15992, 17856, 17991, 23988, 31984, 35712, 35982, 47976, 61969, 63968, 71964, 95952, 123938, 127936, 143928, 185907, 191904, 247876, 255872, 287856, 371814, 383808, 495752, 557721, 575712, 743628, 767616, 991504, 1115442, 1151424, 1487256, 1983008, 2230884, 2302848, 2974512, 3966016, 4461768, 5949024, 7932032, 8923536, 11898048, 17847072, 23796096, 35694144, 71388288]

約数ペア:

[(1, 71388288), (2, 35694144), (3, 23796096), (4, 17847072), (6, 11898048), (8, 8923536), (9, 7932032), (12, 5949024), (16, 4461768), (18, 3966016), (24, 2974512), (31, 2302848), (32, 2230884), (36, 1983008), (48, 1487256), (62, 1151424), (64, 1115442), (72, 991504), (93, 767616), (96, 743628), (124, 575712), (128, 557721), (144, 495752), (186, 383808), (192, 371814), (248, 287856), (279, 255872), (288, 247876), (372, 191904), (384, 185907), (496, 143928), (558, 127936), (576, 123938), (744, 95952), (992, 71964), (1116, 63968), (1152, 61969), (1488, 47976), (1984, 35982), (1999, 35712), (2232, 31984), (2976, 23988), (3968, 17991), (3998, 17856), (4464, 15992), (5952, 11994), (5997, 11904), (7996, 8928)]