80131415

素因数分解:

$5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{181}}^1$

素因数の和:352

約数の個数: 48

約数和(自身を含む): 121998240

約数和(自身を除く): 41866825

約数列:

[1, 5, 7, 13, 35, 49, 65, 91, 139, 181, 245, 455, 637, 695, 905, 973, 1267, 1807, 2353, 3185, 4865, 6335, 6811, 8869, 9035, 11765, 12649, 16471, 25159, 34055, 44345, 63245, 82355, 88543, 115297, 125795, 176113, 327067, 442715, 576485, 880565, 1232791, 1635335, 2289469, 6163955, 11447345, 16026283, 80131415]

約数ペア:

[(1, 80131415), (5, 16026283), (7, 11447345), (13, 6163955), (35, 2289469), (49, 1635335), (65, 1232791), (91, 880565), (139, 576485), (181, 442715), (245, 327067), (455, 176113), (637, 125795), (695, 115297), (905, 88543), (973, 82355), (1267, 63245), (1807, 44345), (2353, 34055), (3185, 25159), (4865, 16471), (6335, 12649), (6811, 11765), (8869, 9035)]