187896885

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{373}}^1$

素因数の和:506

約数の個数: 64

約数和(自身を含む): 341231616

約数和(自身を除く): 153334731

約数列:

[1, 3, 5, 11, 15, 33, 43, 55, 71, 129, 165, 213, 215, 355, 373, 473, 645, 781, 1065, 1119, 1419, 1865, 2343, 2365, 3053, 3905, 4103, 5595, 7095, 9159, 11715, 12309, 15265, 16039, 20515, 26483, 33583, 45795, 48117, 61545, 79449, 80195, 100749, 132415, 167915, 176429, 240585, 291313, 397245, 503745, 529287, 873939, 882145, 1138769, 1456565, 2646435, 3416307, 4369695, 5693845, 12526459, 17081535, 37579377, 62632295, 187896885]

約数ペア:

[(1, 187896885), (3, 62632295), (5, 37579377), (11, 17081535), (15, 12526459), (33, 5693845), (43, 4369695), (55, 3416307), (71, 2646435), (129, 1456565), (165, 1138769), (213, 882145), (215, 873939), (355, 529287), (373, 503745), (473, 397245), (645, 291313), (781, 240585), (1065, 176429), (1119, 167915), (1419, 132415), (1865, 100749), (2343, 80195), (2365, 79449), (3053, 61545), (3905, 48117), (4103, 45795), (5595, 33583), (7095, 26483), (9159, 20515), (11715, 16039), (12309, 15265)]