455728

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{313}}^1$

素因数の和:341

約数の個数: 40

約数和(自身を含む): 1090208

約数和(自身を除く): 634480

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 182, 208, 313, 364, 626, 728, 1252, 1456, 2191, 2504, 4069, 4382, 5008, 8138, 8764, 16276, 17528, 28483, 32552, 35056, 56966, 65104, 113932, 227864, 455728]

約数ペア:

[(1, 455728), (2, 227864), (4, 113932), (7, 65104), (8, 56966), (13, 35056), (14, 32552), (16, 28483), (26, 17528), (28, 16276), (52, 8764), (56, 8138), (91, 5008), (104, 4382), (112, 4069), (182, 2504), (208, 2191), (313, 1456), (364, 1252), (626, 728)]