289732355

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{1559}}^1$

素因数の和:1715

約数の個数: 32

約数和(自身を含む): 395366400

約数和(自身を除く): 105634045

約数列:

[1, 5, 11, 31, 55, 109, 155, 341, 545, 1199, 1559, 1705, 3379, 5995, 7795, 16895, 17149, 37169, 48329, 85745, 169931, 185845, 241645, 531619, 849655, 1869241, 2658095, 5267861, 9346205, 26339305, 57946471, 289732355]

約数ペア:

[(1, 289732355), (5, 57946471), (11, 26339305), (31, 9346205), (55, 5267861), (109, 2658095), (155, 1869241), (341, 849655), (545, 531619), (1199, 241645), (1559, 185845), (1705, 169931), (3379, 85745), (5995, 48329), (7795, 37169), (16895, 17149)]