821465456

素因数分解:

$2^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{5437}}^1$

素因数の和:5542

約数の個数: 80

約数和(自身を含む): 1942018560

約数和(自身を除く): 1120553104

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 38, 56, 71, 76, 112, 133, 142, 152, 266, 284, 304, 497, 532, 568, 994, 1064, 1136, 1349, 1988, 2128, 2698, 3976, 5396, 5437, 7952, 9443, 10792, 10874, 18886, 21584, 21748, 37772, 38059, 43496, 75544, 76118, 86992, 103303, 151088, 152236, 206606, 304472, 386027, 413212, 608944, 723121, 772054, 826424, 1446242, 1544108, 1652848, 2702189, 2892484, 3088216, 5404378, 5784968, 6176432, 7334513, 10808756, 11569936, 14669026, 21617512, 29338052, 43235024, 51341591, 58676104, 102683182, 117352208, 205366364, 410732728, 821465456]

約数ペア:

[(1, 821465456), (2, 410732728), (4, 205366364), (7, 117352208), (8, 102683182), (14, 58676104), (16, 51341591), (19, 43235024), (28, 29338052), (38, 21617512), (56, 14669026), (71, 11569936), (76, 10808756), (112, 7334513), (133, 6176432), (142, 5784968), (152, 5404378), (266, 3088216), (284, 2892484), (304, 2702189), (497, 1652848), (532, 1544108), (568, 1446242), (994, 826424), (1064, 772054), (1136, 723121), (1349, 608944), (1988, 413212), (2128, 386027), (2698, 304472), (3976, 206606), (5396, 152236), (5437, 151088), (7952, 103303), (9443, 86992), (10792, 76118), (10874, 75544), (18886, 43496), (21584, 38059), (21748, 37772)]