219623936

素因数分解:

$2^9\times 7^1\times {\mathrm{233}}^1\times {\mathrm{263}}^1$

素因数の和:521

約数の個数: 80

約数和(自身を含む): 505574784

約数和(自身を除く): 285950848

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 233, 256, 263, 448, 466, 512, 526, 896, 932, 1052, 1631, 1792, 1841, 1864, 2104, 3262, 3584, 3682, 3728, 4208, 6524, 7364, 7456, 8416, 13048, 14728, 14912, 16832, 26096, 29456, 29824, 33664, 52192, 58912, 59648, 61279, 67328, 104384, 117824, 119296, 122558, 134656, 208768, 235648, 245116, 417536, 428953, 471296, 490232, 835072, 857906, 942592, 980464, 1715812, 1960928, 3431624, 3921856, 6863248, 7843712, 13726496, 15687424, 27452992, 31374848, 54905984, 109811968, 219623936]

約数ペア:

[(1, 219623936), (2, 109811968), (4, 54905984), (7, 31374848), (8, 27452992), (14, 15687424), (16, 13726496), (28, 7843712), (32, 6863248), (56, 3921856), (64, 3431624), (112, 1960928), (128, 1715812), (224, 980464), (233, 942592), (256, 857906), (263, 835072), (448, 490232), (466, 471296), (512, 428953), (526, 417536), (896, 245116), (932, 235648), (1052, 208768), (1631, 134656), (1792, 122558), (1841, 119296), (1864, 117824), (2104, 104384), (3262, 67328), (3584, 61279), (3682, 59648), (3728, 58912), (4208, 52192), (6524, 33664), (7364, 29824), (7456, 29456), (8416, 26096), (13048, 16832), (14728, 14912)]