51621328

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{359}}^1$

素因数の和:440

約数の個数: 80

約数和(自身を含む): 117849600

約数和(自身を除く): 66228272

約数列:

[1, 2, 4, 8, 11, 16, 19, 22, 38, 43, 44, 76, 86, 88, 152, 172, 176, 209, 304, 344, 359, 418, 473, 688, 718, 817, 836, 946, 1436, 1634, 1672, 1892, 2872, 3268, 3344, 3784, 3949, 5744, 6536, 6821, 7568, 7898, 8987, 13072, 13642, 15437, 15796, 17974, 27284, 30874, 31592, 35948, 54568, 61748, 63184, 71896, 75031, 109136, 123496, 143792, 150062, 169807, 246992, 293303, 300124, 339614, 586606, 600248, 679228, 1173212, 1200496, 1358456, 2346424, 2716912, 3226333, 4692848, 6452666, 12905332, 25810664, 51621328]

約数ペア:

[(1, 51621328), (2, 25810664), (4, 12905332), (8, 6452666), (11, 4692848), (16, 3226333), (19, 2716912), (22, 2346424), (38, 1358456), (43, 1200496), (44, 1173212), (76, 679228), (86, 600248), (88, 586606), (152, 339614), (172, 300124), (176, 293303), (209, 246992), (304, 169807), (344, 150062), (359, 143792), (418, 123496), (473, 109136), (688, 75031), (718, 71896), (817, 63184), (836, 61748), (946, 54568), (1436, 35948), (1634, 31592), (1672, 30874), (1892, 27284), (2872, 17974), (3268, 15796), (3344, 15437), (3784, 13642), (3949, 13072), (5744, 8987), (6536, 7898), (6821, 7568)]