77957605

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{181}}^1\times {\mathrm{191}}^1$

素因数の和:429

約数の個数: 32

約数和(自身を含む): 105670656

約数和(自身を除く): 27713051

約数列:

[1, 5, 11, 41, 55, 181, 191, 205, 451, 905, 955, 1991, 2101, 2255, 7421, 7831, 9955, 10505, 34571, 37105, 39155, 81631, 86141, 172855, 380281, 408155, 430705, 1417411, 1901405, 7087055, 15591521, 77957605]

約数ペア:

[(1, 77957605), (5, 15591521), (11, 7087055), (41, 1901405), (55, 1417411), (181, 430705), (191, 408155), (205, 380281), (451, 172855), (905, 86141), (955, 81631), (1991, 39155), (2101, 37105), (2255, 34571), (7421, 10505), (7831, 9955)]