77839775

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{4519}}^1$

素因数の和:4595

約数の個数: 24

約数和(自身を含む): 105930720

約数和(自身を除く): 28090945

約数列:

[1, 5, 13, 25, 53, 65, 265, 325, 689, 1325, 3445, 4519, 17225, 22595, 58747, 112975, 239507, 293735, 1197535, 1468675, 3113591, 5987675, 15567955, 77839775]

約数ペア:

[(1, 77839775), (5, 15567955), (13, 5987675), (25, 3113591), (53, 1468675), (65, 1197535), (265, 293735), (325, 239507), (689, 112975), (1325, 58747), (3445, 22595), (4519, 17225)]