211071770

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{231947}}^1$

素因数の和:231974

約数の個数: 32

約数和(自身を含む): 467607168

約数和(自身を除く): 256535398

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 91, 130, 182, 455, 910, 231947, 463894, 1159735, 1623629, 2319470, 3015311, 3247258, 6030622, 8118145, 15076555, 16236290, 21107177, 30153110, 42214354, 105535885, 211071770]

約数ペア:

[(1, 211071770), (2, 105535885), (5, 42214354), (7, 30153110), (10, 21107177), (13, 16236290), (14, 15076555), (26, 8118145), (35, 6030622), (65, 3247258), (70, 3015311), (91, 2319470), (130, 1623629), (182, 1159735), (455, 463894), (910, 231947)]