251442818

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{97}}^1\times {\mathrm{239}}^1$

素因数の和:395

約数の個数: 64

約数和(自身を含む): 457228800

約数和(自身を除く): 205785982

約数列:

[1, 2, 11, 17, 22, 29, 34, 58, 97, 187, 194, 239, 319, 374, 478, 493, 638, 986, 1067, 1649, 2134, 2629, 2813, 3298, 4063, 5258, 5423, 5626, 6931, 8126, 10846, 13862, 18139, 23183, 30943, 36278, 44693, 46366, 47821, 61886, 76241, 89386, 95642, 117827, 152482, 235654, 255013, 394111, 510026, 526031, 672307, 788222, 1052062, 1296097, 1344614, 2592194, 4335221, 7395377, 8670442, 11429219, 14790754, 22858438, 125721409, 251442818]

約数ペア:

[(1, 251442818), (2, 125721409), (11, 22858438), (17, 14790754), (22, 11429219), (29, 8670442), (34, 7395377), (58, 4335221), (97, 2592194), (187, 1344614), (194, 1296097), (239, 1052062), (319, 788222), (374, 672307), (478, 526031), (493, 510026), (638, 394111), (986, 255013), (1067, 235654), (1649, 152482), (2134, 117827), (2629, 95642), (2813, 89386), (3298, 76241), (4063, 61886), (5258, 47821), (5423, 46366), (5626, 44693), (6931, 36278), (8126, 30943), (10846, 23183), (13862, 18139)]