318006455

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{41}}^1\times {\mathrm{67}}^1\times {\mathrm{137}}^1$

素因数の和:276

約数の個数: 48

約数和(自身を含む): 432752544

約数和(自身を除く): 114746089

約数列:

[1, 5, 13, 41, 65, 67, 137, 169, 205, 335, 533, 685, 845, 871, 1781, 2665, 2747, 4355, 5617, 6929, 8905, 9179, 11323, 13735, 23153, 28085, 34645, 35711, 45895, 56615, 73021, 115765, 119327, 178555, 365105, 376339, 464243, 596635, 949273, 1551251, 1881695, 2321215, 4746365, 4892407, 7756255, 24462035, 63601291, 318006455]

約数ペア:

[(1, 318006455), (5, 63601291), (13, 24462035), (41, 7756255), (65, 4892407), (67, 4746365), (137, 2321215), (169, 1881695), (205, 1551251), (335, 949273), (533, 596635), (685, 464243), (845, 376339), (871, 365105), (1781, 178555), (2665, 119327), (2747, 115765), (4355, 73021), (5617, 56615), (6929, 45895), (8905, 35711), (9179, 34645), (11323, 28085), (13735, 23153)]