51729470

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{263}}^1$

素因数の和:389

約数の個数: 64

約数和(自身を含む): 107775360

約数和(自身を除く): 56045890

約数列:

[1, 2, 5, 10, 13, 17, 26, 34, 65, 85, 89, 130, 170, 178, 221, 263, 442, 445, 526, 890, 1105, 1157, 1315, 1513, 2210, 2314, 2630, 3026, 3419, 4471, 5785, 6838, 7565, 8942, 11570, 15130, 17095, 19669, 22355, 23407, 34190, 39338, 44710, 46814, 58123, 98345, 116246, 117035, 196690, 234070, 290615, 304291, 397919, 581230, 608582, 795838, 1521455, 1989595, 3042910, 3979190, 5172947, 10345894, 25864735, 51729470]

約数ペア:

[(1, 51729470), (2, 25864735), (5, 10345894), (10, 5172947), (13, 3979190), (17, 3042910), (26, 1989595), (34, 1521455), (65, 795838), (85, 608582), (89, 581230), (130, 397919), (170, 304291), (178, 290615), (221, 234070), (263, 196690), (442, 117035), (445, 116246), (526, 98345), (890, 58123), (1105, 46814), (1157, 44710), (1315, 39338), (1513, 34190), (2210, 23407), (2314, 22355), (2630, 19669), (3026, 17095), (3419, 15130), (4471, 11570), (5785, 8942), (6838, 7565)]