389664894

素因数分解:

$2^1\times 3^1\times {\mathrm{157}}^1\times {\mathrm{373}}^1\times {\mathrm{1109}}^1$

素因数の和:1644

約数の個数: 32

約数和(自身を含む): 787105440

約数和(自身を除く): 397440546

約数列:

[1, 2, 3, 6, 157, 314, 373, 471, 746, 942, 1109, 1119, 2218, 2238, 3327, 6654, 58561, 117122, 174113, 175683, 348226, 351366, 413657, 522339, 827314, 1044678, 1240971, 2481942, 64944149, 129888298, 194832447, 389664894]

約数ペア:

[(1, 389664894), (2, 194832447), (3, 129888298), (6, 64944149), (157, 2481942), (314, 1240971), (373, 1044678), (471, 827314), (746, 522339), (942, 413657), (1109, 351366), (1119, 348226), (2218, 175683), (2238, 174113), (3327, 117122), (6654, 58561)]