9900804592

素因数分解:

$2^4\times 7^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{20411}}^1$

素因数の和:20558

約数の個数: 80

約数和(自身を含む): 22597553664

約数和(自身を除く): 12696749072

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 61, 71, 112, 122, 142, 244, 284, 427, 488, 497, 568, 854, 976, 994, 1136, 1708, 1988, 3416, 3976, 4331, 6832, 7952, 8662, 17324, 20411, 30317, 34648, 40822, 60634, 69296, 81644, 121268, 142877, 163288, 242536, 285754, 326576, 485072, 571508, 1143016, 1245071, 1449181, 2286032, 2490142, 2898362, 4980284, 5796724, 8715497, 9960568, 10144267, 11593448, 17430994, 19921136, 20288534, 23186896, 34861988, 40577068, 69723976, 81154136, 88400041, 139447952, 162308272, 176800082, 353600164, 618800287, 707200328, 1237600574, 1414400656, 2475201148, 4950402296, 9900804592]

約数ペア:

[(1, 9900804592), (2, 4950402296), (4, 2475201148), (7, 1414400656), (8, 1237600574), (14, 707200328), (16, 618800287), (28, 353600164), (56, 176800082), (61, 162308272), (71, 139447952), (112, 88400041), (122, 81154136), (142, 69723976), (244, 40577068), (284, 34861988), (427, 23186896), (488, 20288534), (497, 19921136), (568, 17430994), (854, 11593448), (976, 10144267), (994, 9960568), (1136, 8715497), (1708, 5796724), (1988, 4980284), (3416, 2898362), (3976, 2490142), (4331, 2286032), (6832, 1449181), (7952, 1245071), (8662, 1143016), (17324, 571508), (20411, 485072), (30317, 326576), (34648, 285754), (40822, 242536), (60634, 163288), (69296, 142877), (81644, 121268)]