64161955

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{4723}}^1$

素因数の和:4771

約数の個数: 32

約数和(自身を含む): 95235840

約数和(自身を除く): 31073885

約数列:

[1, 5, 11, 13, 19, 55, 65, 95, 143, 209, 247, 715, 1045, 1235, 2717, 4723, 13585, 23615, 51953, 61399, 89737, 259765, 306995, 448685, 675389, 987107, 1166581, 3376945, 4935535, 5832905, 12832391, 64161955]

約数ペア:

[(1, 64161955), (5, 12832391), (11, 5832905), (13, 4935535), (19, 3376945), (55, 1166581), (65, 987107), (95, 675389), (143, 448685), (209, 306995), (247, 259765), (715, 89737), (1045, 61399), (1235, 51953), (2717, 23615), (4723, 13585)]