404489735

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{109}}^1\times {\mathrm{1543}}^1$

素因数の和:1707

約数の個数: 32

約数和(自身を含む): 542129280

約数和(自身を除く): 137639545

約数列:

[1, 5, 13, 37, 65, 109, 185, 481, 545, 1417, 1543, 2405, 4033, 7085, 7715, 20059, 20165, 52429, 57091, 100295, 168187, 262145, 285455, 742183, 840935, 2186431, 3710915, 6222919, 10932155, 31114595, 80897947, 404489735]

約数ペア:

[(1, 404489735), (5, 80897947), (13, 31114595), (37, 10932155), (65, 6222919), (109, 3710915), (185, 2186431), (481, 840935), (545, 742183), (1417, 285455), (1543, 262145), (2405, 168187), (4033, 100295), (7085, 57091), (7715, 52429), (20059, 20165)]