64403990

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{54121}}^1$

素因数の和:54152

約数の個数: 32

約数和(自身を含む): 140284224

約数和(自身を除く): 75880234

約数列:

[1, 2, 5, 7, 10, 14, 17, 34, 35, 70, 85, 119, 170, 238, 595, 1190, 54121, 108242, 270605, 378847, 541210, 757694, 920057, 1840114, 1894235, 3788470, 4600285, 6440399, 9200570, 12880798, 32201995, 64403990]

約数ペア:

[(1, 64403990), (2, 32201995), (5, 12880798), (7, 9200570), (10, 6440399), (14, 4600285), (17, 3788470), (34, 1894235), (35, 1840114), (70, 920057), (85, 757694), (119, 541210), (170, 378847), (238, 270605), (595, 108242), (1190, 54121)]