212312912

素因数分解:

$2^4\times 7^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{761}}^1$

素因数の和:876

約数の個数: 80

約数和(自身を含む): 489825792

約数和(自身を除く): 277512880

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 47, 53, 56, 94, 106, 112, 188, 212, 329, 371, 376, 424, 658, 742, 752, 761, 848, 1316, 1484, 1522, 2491, 2632, 2968, 3044, 4982, 5264, 5327, 5936, 6088, 9964, 10654, 12176, 17437, 19928, 21308, 34874, 35767, 39856, 40333, 42616, 69748, 71534, 80666, 85232, 139496, 143068, 161332, 250369, 278992, 282331, 286136, 322664, 500738, 564662, 572272, 645328, 1001476, 1129324, 1895651, 2002952, 2258648, 3791302, 4005904, 4517296, 7582604, 13269557, 15165208, 26539114, 30330416, 53078228, 106156456, 212312912]

約数ペア:

[(1, 212312912), (2, 106156456), (4, 53078228), (7, 30330416), (8, 26539114), (14, 15165208), (16, 13269557), (28, 7582604), (47, 4517296), (53, 4005904), (56, 3791302), (94, 2258648), (106, 2002952), (112, 1895651), (188, 1129324), (212, 1001476), (329, 645328), (371, 572272), (376, 564662), (424, 500738), (658, 322664), (742, 286136), (752, 282331), (761, 278992), (848, 250369), (1316, 161332), (1484, 143068), (1522, 139496), (2491, 85232), (2632, 80666), (2968, 71534), (3044, 69748), (4982, 42616), (5264, 40333), (5327, 39856), (5936, 35767), (6088, 34874), (9964, 21308), (10654, 19928), (12176, 17437)]