321126910

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{193}}^1\times {\mathrm{12799}}^1$

素因数の和:13012

約数の個数: 32

約数和(自身を含む): 625766400

約数和(自身を除く): 304639490

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 193, 386, 965, 1930, 2509, 5018, 12545, 12799, 25090, 25598, 63995, 127990, 166387, 332774, 831935, 1663870, 2470207, 4940414, 12351035, 24702070, 32112691, 64225382, 160563455, 321126910]

約数ペア:

[(1, 321126910), (2, 160563455), (5, 64225382), (10, 32112691), (13, 24702070), (26, 12351035), (65, 4940414), (130, 2470207), (193, 1663870), (386, 831935), (965, 332774), (1930, 166387), (2509, 127990), (5018, 63995), (12545, 25598), (12799, 25090)]