158707445

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{997}}^1$

素因数の和:1125

約数の個数: 32

約数和(自身を含む): 214609920

約数和(自身を除く): 55902475

約数列:

[1, 5, 13, 31, 65, 79, 155, 395, 403, 997, 1027, 2015, 2449, 4985, 5135, 12245, 12961, 30907, 31837, 64805, 78763, 154535, 159185, 393815, 401791, 1023919, 2008955, 2441653, 5119595, 12208265, 31741489, 158707445]

約数ペア:

[(1, 158707445), (5, 31741489), (13, 12208265), (31, 5119595), (65, 2441653), (79, 2008955), (155, 1023919), (395, 401791), (403, 393815), (997, 159185), (1027, 154535), (2015, 78763), (2449, 64805), (4985, 31837), (5135, 30907), (12245, 12961)]