816621652

素因数分解:

$2^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{521}}^1\times {\mathrm{727}}^1$

素因数の和:1277

約数の個数: 72

約数和(自身を含む): 1819516608

約数和(自身を除く): 1002894956

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 49, 77, 98, 154, 196, 308, 521, 539, 727, 1042, 1078, 1454, 2084, 2156, 2908, 3647, 5089, 5731, 7294, 7997, 10178, 11462, 14588, 15994, 20356, 22924, 25529, 31988, 35623, 40117, 51058, 55979, 71246, 80234, 102116, 111958, 142492, 160468, 223916, 280819, 378767, 391853, 561638, 757534, 783706, 1123276, 1515068, 1567412, 2651369, 4166437, 5302738, 8332874, 10605476, 16665748, 18559583, 29165059, 37119166, 58330118, 74238332, 116660236, 204155413, 408310826, 816621652]

約数ペア:

[(1, 816621652), (2, 408310826), (4, 204155413), (7, 116660236), (11, 74238332), (14, 58330118), (22, 37119166), (28, 29165059), (44, 18559583), (49, 16665748), (77, 10605476), (98, 8332874), (154, 5302738), (196, 4166437), (308, 2651369), (521, 1567412), (539, 1515068), (727, 1123276), (1042, 783706), (1078, 757534), (1454, 561638), (2084, 391853), (2156, 378767), (2908, 280819), (3647, 223916), (5089, 160468), (5731, 142492), (7294, 111958), (7997, 102116), (10178, 80234), (11462, 71246), (14588, 55979), (15994, 51058), (20356, 40117), (22924, 35623), (25529, 31988)]