661456367

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{307}}^1$

素因数の和:424

約数の個数: 48

約数和(自身を含む): 838696320

約数和(自身を除く): 177239953

約数列:

[1, 11, 13, 19, 61, 143, 169, 209, 247, 307, 671, 793, 1159, 1859, 2717, 3211, 3377, 3991, 5833, 8723, 10309, 12749, 15067, 18727, 35321, 43901, 51883, 64163, 75829, 113399, 165737, 195871, 205997, 243451, 355813, 570713, 834119, 985777, 2154581, 2677961, 3164863, 3913943, 4625569, 10843547, 34813493, 50881259, 60132397, 661456367]

約数ペア:

[(1, 661456367), (11, 60132397), (13, 50881259), (19, 34813493), (61, 10843547), (143, 4625569), (169, 3913943), (209, 3164863), (247, 2677961), (307, 2154581), (671, 985777), (793, 834119), (1159, 570713), (1859, 355813), (2717, 243451), (3211, 205997), (3377, 195871), (3991, 165737), (5833, 113399), (8723, 75829), (10309, 64163), (12749, 51883), (15067, 43901), (18727, 35321)]