639064

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{127}}^1$

素因数の和:187

約数の個数: 32

約数和(自身を含む): 1313280

約数和(自身を除く): 674216

約数列:

[1, 2, 4, 8, 17, 34, 37, 68, 74, 127, 136, 148, 254, 296, 508, 629, 1016, 1258, 2159, 2516, 4318, 4699, 5032, 8636, 9398, 17272, 18796, 37592, 79883, 159766, 319532, 639064]

約数ペア:

[(1, 639064), (2, 319532), (4, 159766), (8, 79883), (17, 37592), (34, 18796), (37, 17272), (68, 9398), (74, 8636), (127, 5032), (136, 4699), (148, 4318), (254, 2516), (296, 2159), (508, 1258), (629, 1016)]