247376428

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{227}}^1\times {\mathrm{1103}}^1$

素因数の和:1366

約数の個数: 48

約数和(自身を含む): 493355520

約数和(自身を除く): 245979092

約数列:

[1, 2, 4, 13, 19, 26, 38, 52, 76, 227, 247, 454, 494, 908, 988, 1103, 2206, 2951, 4313, 4412, 5902, 8626, 11804, 14339, 17252, 20957, 28678, 41914, 56069, 57356, 83828, 112138, 224276, 250381, 272441, 500762, 544882, 1001524, 1089764, 3254953, 4757239, 6509906, 9514478, 13019812, 19028956, 61844107, 123688214, 247376428]

約数ペア:

[(1, 247376428), (2, 123688214), (4, 61844107), (13, 19028956), (19, 13019812), (26, 9514478), (38, 6509906), (52, 4757239), (76, 3254953), (227, 1089764), (247, 1001524), (454, 544882), (494, 500762), (908, 272441), (988, 250381), (1103, 224276), (2206, 112138), (2951, 83828), (4313, 57356), (4412, 56069), (5902, 41914), (8626, 28678), (11804, 20957), (14339, 17252)]