81207308

素因数分解:

$2^2\times 7^3\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{157}}^1$

素因数の和:224

約数の個数: 96

約数和(自身を含む): 185808000

約数和(自身を除く): 104600692

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 29, 49, 52, 58, 91, 98, 116, 157, 182, 196, 203, 314, 343, 364, 377, 406, 628, 637, 686, 754, 812, 1099, 1274, 1372, 1421, 1508, 2041, 2198, 2548, 2639, 2842, 4082, 4396, 4459, 4553, 5278, 5684, 7693, 8164, 8918, 9106, 9947, 10556, 14287, 15386, 17836, 18212, 18473, 19894, 28574, 30772, 31871, 36946, 39788, 53851, 57148, 59189, 63742, 73892, 100009, 107702, 118378, 127484, 129311, 200018, 215404, 223097, 236756, 258622, 400036, 414323, 446194, 517244, 700063, 828646, 892388, 1400126, 1561679, 1657292, 2800252, 2900261, 3123358, 5800522, 6246716, 11601044, 20301827, 40603654, 81207308]

約数ペア:

[(1, 81207308), (2, 40603654), (4, 20301827), (7, 11601044), (13, 6246716), (14, 5800522), (26, 3123358), (28, 2900261), (29, 2800252), (49, 1657292), (52, 1561679), (58, 1400126), (91, 892388), (98, 828646), (116, 700063), (157, 517244), (182, 446194), (196, 414323), (203, 400036), (314, 258622), (343, 236756), (364, 223097), (377, 215404), (406, 200018), (628, 129311), (637, 127484), (686, 118378), (754, 107702), (812, 100009), (1099, 73892), (1274, 63742), (1372, 59189), (1421, 57148), (1508, 53851), (2041, 39788), (2198, 36946), (2548, 31871), (2639, 30772), (2842, 28574), (4082, 19894), (4396, 18473), (4459, 18212), (4553, 17836), (5278, 15386), (5684, 14287), (7693, 10556), (8164, 9947), (8918, 9106)]