29721328

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{149}}^1$

素因数の和:314

約数の個数: 80

約数和(自身を含む): 71870400

約数和(自身を除く): 42149072

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 137, 149, 182, 208, 274, 298, 364, 548, 596, 728, 959, 1043, 1096, 1192, 1456, 1781, 1918, 1937, 2086, 2192, 2384, 3562, 3836, 3874, 4172, 7124, 7672, 7748, 8344, 12467, 13559, 14248, 15344, 15496, 16688, 20413, 24934, 27118, 28496, 30992, 40826, 49868, 54236, 81652, 99736, 108472, 142891, 163304, 199472, 216944, 265369, 285782, 326608, 530738, 571564, 1061476, 1143128, 1857583, 2122952, 2286256, 3715166, 4245904, 7430332, 14860664, 29721328]

約数ペア:

[(1, 29721328), (2, 14860664), (4, 7430332), (7, 4245904), (8, 3715166), (13, 2286256), (14, 2122952), (16, 1857583), (26, 1143128), (28, 1061476), (52, 571564), (56, 530738), (91, 326608), (104, 285782), (112, 265369), (137, 216944), (149, 199472), (182, 163304), (208, 142891), (274, 108472), (298, 99736), (364, 81652), (548, 54236), (596, 49868), (728, 40826), (959, 30992), (1043, 28496), (1096, 27118), (1192, 24934), (1456, 20413), (1781, 16688), (1918, 15496), (1937, 15344), (2086, 14248), (2192, 13559), (2384, 12467), (3562, 8344), (3836, 7748), (3874, 7672), (4172, 7124)]