42874415

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1$

素因数の和:247

約数の個数: 32

約数和(自身を含む): 55987200

約数和(自身を除く): 13112785

約数列:

[1, 5, 23, 59, 71, 89, 115, 295, 355, 445, 1357, 1633, 2047, 4189, 5251, 6319, 6785, 8165, 10235, 20945, 26255, 31595, 96347, 120773, 145337, 372821, 481735, 603865, 726685, 1864105, 8574883, 42874415]

約数ペア:

[(1, 42874415), (5, 8574883), (23, 1864105), (59, 726685), (71, 603865), (89, 481735), (115, 372821), (295, 145337), (355, 120773), (445, 96347), (1357, 31595), (1633, 26255), (2047, 20945), (4189, 10235), (5251, 8165), (6319, 6785)]