51213036

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{251}}^1\times {\mathrm{347}}^1$

素因数の和:619

約数の個数: 72

約数和(自身を含む): 139962816

約数和(自身を除く): 88749780

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 84, 98, 147, 196, 251, 294, 347, 502, 588, 694, 753, 1004, 1041, 1388, 1506, 1757, 2082, 2429, 3012, 3514, 4164, 4858, 5271, 7028, 7287, 9716, 10542, 12299, 14574, 17003, 21084, 24598, 29148, 34006, 36897, 49196, 51009, 68012, 73794, 87097, 102018, 147588, 174194, 204036, 261291, 348388, 522582, 609679, 1045164, 1219358, 1829037, 2438716, 3658074, 4267753, 7316148, 8535506, 12803259, 17071012, 25606518, 51213036]

約数ペア:

[(1, 51213036), (2, 25606518), (3, 17071012), (4, 12803259), (6, 8535506), (7, 7316148), (12, 4267753), (14, 3658074), (21, 2438716), (28, 1829037), (42, 1219358), (49, 1045164), (84, 609679), (98, 522582), (147, 348388), (196, 261291), (251, 204036), (294, 174194), (347, 147588), (502, 102018), (588, 87097), (694, 73794), (753, 68012), (1004, 51009), (1041, 49196), (1388, 36897), (1506, 34006), (1757, 29148), (2082, 24598), (2429, 21084), (3012, 17003), (3514, 14574), (4164, 12299), (4858, 10542), (5271, 9716), (7028, 7287)]