8405418

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{103}}^1$

素因数の和:211

約数の個数: 64

約数和(自身を含む): 20367360

約数和(自身を除く): 11961942

約数列:

[1, 2, 3, 6, 7, 14, 21, 29, 42, 58, 67, 87, 103, 134, 174, 201, 203, 206, 309, 402, 406, 469, 609, 618, 721, 938, 1218, 1407, 1442, 1943, 2163, 2814, 2987, 3886, 4326, 5829, 5974, 6901, 8961, 11658, 13601, 13802, 17922, 20703, 20909, 27202, 40803, 41406, 41818, 48307, 62727, 81606, 96614, 125454, 144921, 200129, 289842, 400258, 600387, 1200774, 1400903, 2801806, 4202709, 8405418]

約数ペア:

[(1, 8405418), (2, 4202709), (3, 2801806), (6, 1400903), (7, 1200774), (14, 600387), (21, 400258), (29, 289842), (42, 200129), (58, 144921), (67, 125454), (87, 96614), (103, 81606), (134, 62727), (174, 48307), (201, 41818), (203, 41406), (206, 40803), (309, 27202), (402, 20909), (406, 20703), (469, 17922), (609, 13802), (618, 13601), (721, 11658), (938, 8961), (1218, 6901), (1407, 5974), (1442, 5829), (1943, 4326), (2163, 3886), (2814, 2987)]