201718590

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{156371}}^1$

素因数の和:156424

約数の個数: 32

約数和(自身を含む): 495386496

約数和(自身を除く): 293667906

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 43, 86, 129, 215, 258, 430, 645, 1290, 156371, 312742, 469113, 781855, 938226, 1563710, 2345565, 4691130, 6723953, 13447906, 20171859, 33619765, 40343718, 67239530, 100859295, 201718590]

約数ペア:

[(1, 201718590), (2, 100859295), (3, 67239530), (5, 40343718), (6, 33619765), (10, 20171859), (15, 13447906), (30, 6723953), (43, 4691130), (86, 2345565), (129, 1563710), (215, 938226), (258, 781855), (430, 469113), (645, 312742), (1290, 156371)]