28524468

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{139}}^1\times {\mathrm{349}}^1$

素因数の和:509

約数の個数: 72

約数和(自身を含む): 78204000

約数和(自身を除く): 49679532

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 84, 98, 139, 147, 196, 278, 294, 349, 417, 556, 588, 698, 834, 973, 1047, 1396, 1668, 1946, 2094, 2443, 2919, 3892, 4188, 4886, 5838, 6811, 7329, 9772, 11676, 13622, 14658, 17101, 20433, 27244, 29316, 34202, 40866, 48511, 51303, 68404, 81732, 97022, 102606, 145533, 194044, 205212, 291066, 339577, 582132, 679154, 1018731, 1358308, 2037462, 2377039, 4074924, 4754078, 7131117, 9508156, 14262234, 28524468]

約数ペア:

[(1, 28524468), (2, 14262234), (3, 9508156), (4, 7131117), (6, 4754078), (7, 4074924), (12, 2377039), (14, 2037462), (21, 1358308), (28, 1018731), (42, 679154), (49, 582132), (84, 339577), (98, 291066), (139, 205212), (147, 194044), (196, 145533), (278, 102606), (294, 97022), (349, 81732), (417, 68404), (556, 51303), (588, 48511), (698, 40866), (834, 34202), (973, 29316), (1047, 27244), (1396, 20433), (1668, 17101), (1946, 14658), (2094, 13622), (2443, 11676), (2919, 9772), (3892, 7329), (4188, 6811), (4886, 5838)]