209939528

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{151}}^1\times {\mathrm{10223}}^1$

素因数の和:10397

約数の個数: 32

約数和(自身を含む): 419592960

約数和(自身を除く): 209653432

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 151, 302, 604, 1208, 2567, 5134, 10223, 10268, 20446, 20536, 40892, 81784, 173791, 347582, 695164, 1390328, 1543673, 3087346, 6174692, 12349384, 26242441, 52484882, 104969764, 209939528]

約数ペア:

[(1, 209939528), (2, 104969764), (4, 52484882), (8, 26242441), (17, 12349384), (34, 6174692), (68, 3087346), (136, 1543673), (151, 1390328), (302, 695164), (604, 347582), (1208, 173791), (2567, 81784), (5134, 40892), (10223, 20536), (10268, 20446)]