28561488

素因数分解:

$2^4\times 3^1\times {\mathrm{53}}^1\times {\mathrm{103}}^1\times {\mathrm{109}}^1$

素因数の和:276

約数の個数: 80

約数和(自身を含む): 76602240

約数和(自身を除く): 48040752

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 53, 103, 106, 109, 159, 206, 212, 218, 309, 318, 327, 412, 424, 436, 618, 636, 654, 824, 848, 872, 1236, 1272, 1308, 1648, 1744, 2472, 2544, 2616, 4944, 5232, 5459, 5777, 10918, 11227, 11554, 16377, 17331, 21836, 22454, 23108, 32754, 33681, 34662, 43672, 44908, 46216, 65508, 67362, 69324, 87344, 89816, 92432, 131016, 134724, 138648, 179632, 262032, 269448, 277296, 538896, 595031, 1190062, 1785093, 2380124, 3570186, 4760248, 7140372, 9520496, 14280744, 28561488]

約数ペア:

[(1, 28561488), (2, 14280744), (3, 9520496), (4, 7140372), (6, 4760248), (8, 3570186), (12, 2380124), (16, 1785093), (24, 1190062), (48, 595031), (53, 538896), (103, 277296), (106, 269448), (109, 262032), (159, 179632), (206, 138648), (212, 134724), (218, 131016), (309, 92432), (318, 89816), (327, 87344), (412, 69324), (424, 67362), (436, 65508), (618, 46216), (636, 44908), (654, 43672), (824, 34662), (848, 33681), (872, 32754), (1236, 23108), (1272, 22454), (1308, 21836), (1648, 17331), (1744, 16377), (2472, 11554), (2544, 11227), (2616, 10918), (4944, 5777), (5232, 5459)]