215542964

素因数分解:

$2^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{2917}}^1$

素因数の和:2977

約数の個数: 72

約数和(自身を含む): 488998440

約数和(自身を除く): 273455476

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 29, 49, 52, 58, 91, 98, 116, 182, 196, 203, 364, 377, 406, 637, 754, 812, 1274, 1421, 1508, 2548, 2639, 2842, 2917, 5278, 5684, 5834, 10556, 11668, 18473, 20419, 36946, 37921, 40838, 73892, 75842, 81676, 84593, 142933, 151684, 169186, 265447, 285866, 338372, 530894, 571732, 592151, 1061788, 1099709, 1184302, 1858129, 2199418, 2368604, 3716258, 4145057, 4398836, 7432516, 7697963, 8290114, 15395926, 16580228, 30791852, 53885741, 107771482, 215542964]

約数ペア:

[(1, 215542964), (2, 107771482), (4, 53885741), (7, 30791852), (13, 16580228), (14, 15395926), (26, 8290114), (28, 7697963), (29, 7432516), (49, 4398836), (52, 4145057), (58, 3716258), (91, 2368604), (98, 2199418), (116, 1858129), (182, 1184302), (196, 1099709), (203, 1061788), (364, 592151), (377, 571732), (406, 530894), (637, 338372), (754, 285866), (812, 265447), (1274, 169186), (1421, 151684), (1508, 142933), (2548, 84593), (2639, 81676), (2842, 75842), (2917, 73892), (5278, 40838), (5684, 37921), (5834, 36946), (10556, 20419), (11668, 18473)]