217202778

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{54601}}^1$

素因数の和:54639

約数の個数: 48

約数和(自身を含む): 536628456

約数和(自身を除く): 319425678

約数列:

[1, 2, 3, 6, 9, 13, 17, 18, 26, 34, 39, 51, 78, 102, 117, 153, 221, 234, 306, 442, 663, 1326, 1989, 3978, 54601, 109202, 163803, 327606, 491409, 709813, 928217, 982818, 1419626, 1856434, 2129439, 2784651, 4258878, 5569302, 6388317, 8353953, 12066821, 12776634, 16707906, 24133642, 36200463, 72400926, 108601389, 217202778]

約数ペア:

[(1, 217202778), (2, 108601389), (3, 72400926), (6, 36200463), (9, 24133642), (13, 16707906), (17, 12776634), (18, 12066821), (26, 8353953), (34, 6388317), (39, 5569302), (51, 4258878), (78, 2784651), (102, 2129439), (117, 1856434), (153, 1419626), (221, 982818), (234, 928217), (306, 709813), (442, 491409), (663, 327606), (1326, 163803), (1989, 109202), (3978, 54601)]