28542745

素因数分解:

$5^1\times 7^3\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1$

素因数の和:143

約数の個数: 64

約数和(自身を含む): 46656000

約数和(自身を除く): 18113255

約数列:

[1, 5, 7, 11, 17, 35, 49, 55, 77, 85, 89, 119, 187, 245, 343, 385, 445, 539, 595, 623, 833, 935, 979, 1309, 1513, 1715, 2695, 3115, 3773, 4165, 4361, 4895, 5831, 6545, 6853, 7565, 9163, 10591, 16643, 18865, 21805, 29155, 30527, 34265, 45815, 47971, 52955, 64141, 74137, 83215, 116501, 152635, 239855, 320705, 335797, 370685, 518959, 582505, 815507, 1678985, 2594795, 4077535, 5708549, 28542745]

約数ペア:

[(1, 28542745), (5, 5708549), (7, 4077535), (11, 2594795), (17, 1678985), (35, 815507), (49, 582505), (55, 518959), (77, 370685), (85, 335797), (89, 320705), (119, 239855), (187, 152635), (245, 116501), (343, 83215), (385, 74137), (445, 64141), (539, 52955), (595, 47971), (623, 45815), (833, 34265), (935, 30527), (979, 29155), (1309, 21805), (1513, 18865), (1715, 16643), (2695, 10591), (3115, 9163), (3773, 7565), (4165, 6853), (4361, 6545), (4895, 5831)]