287142726

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{211}}^1\times {\mathrm{239}}^1$

素因数の和:541

約数の個数: 64

約数和(自身を含む): 632540160

約数和(自身を除く): 345397434

約数列:

[1, 2, 3, 6, 13, 26, 39, 73, 78, 146, 211, 219, 239, 422, 438, 478, 633, 717, 949, 1266, 1434, 1898, 2743, 2847, 3107, 5486, 5694, 6214, 8229, 9321, 15403, 16458, 17447, 18642, 30806, 34894, 46209, 50429, 52341, 92418, 100858, 104682, 151287, 200239, 226811, 302574, 400478, 453622, 600717, 655577, 680433, 1201434, 1311154, 1360866, 1966731, 3681317, 3933462, 7362634, 11043951, 22087902, 47857121, 95714242, 143571363, 287142726]

約数ペア:

[(1, 287142726), (2, 143571363), (3, 95714242), (6, 47857121), (13, 22087902), (26, 11043951), (39, 7362634), (73, 3933462), (78, 3681317), (146, 1966731), (211, 1360866), (219, 1311154), (239, 1201434), (422, 680433), (438, 655577), (478, 600717), (633, 453622), (717, 400478), (949, 302574), (1266, 226811), (1434, 200239), (1898, 151287), (2743, 104682), (2847, 100858), (3107, 92418), (5486, 52341), (5694, 50429), (6214, 46209), (8229, 34894), (9321, 30806), (15403, 18642), (16458, 17447)]