128544716

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{59}}^1\times {\mathrm{239}}^1$

素因数の和:398

約数の個数: 48

約数和(自身を含む): 239500800

約数和(自身を除く): 110956084

約数列:

[1, 2, 4, 43, 53, 59, 86, 106, 118, 172, 212, 236, 239, 478, 956, 2279, 2537, 3127, 4558, 5074, 6254, 9116, 10148, 10277, 12508, 12667, 14101, 20554, 25334, 28202, 41108, 50668, 56404, 134461, 268922, 537844, 544681, 606343, 747353, 1089362, 1212686, 1494706, 2178724, 2425372, 2989412, 32136179, 64272358, 128544716]

約数ペア:

[(1, 128544716), (2, 64272358), (4, 32136179), (43, 2989412), (53, 2425372), (59, 2178724), (86, 1494706), (106, 1212686), (118, 1089362), (172, 747353), (212, 606343), (236, 544681), (239, 537844), (478, 268922), (956, 134461), (2279, 56404), (2537, 50668), (3127, 41108), (4558, 28202), (5074, 25334), (6254, 20554), (9116, 14101), (10148, 12667), (10277, 12508)]