664398862

素因数分解:

$2^1\times {\mathrm{17}}^2\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{661}}^1$

素因数の和:781

約数の個数: 48

約数和(自身を含む): 1112096448

約数和(自身を除く): 447697586

約数列:

[1, 2, 17, 34, 37, 47, 74, 94, 289, 578, 629, 661, 799, 1258, 1322, 1598, 1739, 3478, 10693, 11237, 13583, 21386, 22474, 24457, 27166, 29563, 31067, 48914, 59126, 62134, 191029, 382058, 415769, 502571, 528139, 831538, 1005142, 1056278, 1149479, 2298958, 7068073, 8978363, 14136146, 17956726, 19541143, 39082286, 332199431, 664398862]

約数ペア:

[(1, 664398862), (2, 332199431), (17, 39082286), (34, 19541143), (37, 17956726), (47, 14136146), (74, 8978363), (94, 7068073), (289, 2298958), (578, 1149479), (629, 1056278), (661, 1005142), (799, 831538), (1258, 528139), (1322, 502571), (1598, 415769), (1739, 382058), (3478, 191029), (10693, 62134), (11237, 59126), (13583, 48914), (21386, 31067), (22474, 29563), (24457, 27166)]