28440048

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{383}}^1$

素因数の和:431

約数の個数: 160

約数和(自身を含む): 95993856

約数和(自身を除く): 67553808

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 16, 17, 21, 24, 26, 28, 34, 39, 42, 48, 51, 52, 56, 68, 78, 84, 91, 102, 104, 112, 119, 136, 156, 168, 182, 204, 208, 221, 238, 272, 273, 312, 336, 357, 364, 383, 408, 442, 476, 546, 624, 663, 714, 728, 766, 816, 884, 952, 1092, 1149, 1326, 1428, 1456, 1532, 1547, 1768, 1904, 2184, 2298, 2652, 2681, 2856, 3064, 3094, 3536, 4368, 4596, 4641, 4979, 5304, 5362, 5712, 6128, 6188, 6511, 8043, 9192, 9282, 9958, 10608, 10724, 12376, 13022, 14937, 16086, 18384, 18564, 19533, 19916, 21448, 24752, 26044, 29874, 32172, 34853, 37128, 39066, 39832, 42896, 45577, 52088, 59748, 64344, 69706, 74256, 78132, 79664, 84643, 91154, 104176, 104559, 119496, 128688, 136731, 139412, 156264, 169286, 182308, 209118, 238992, 253929, 273462, 278824, 312528, 338572, 364616, 418236, 507858, 546924, 557648, 592501, 677144, 729232, 836472, 1015716, 1093848, 1185002, 1354288, 1672944, 1777503, 2031432, 2187696, 2370004, 3555006, 4062864, 4740008, 7110012, 9480016, 14220024, 28440048]

約数ペア:

[(1, 28440048), (2, 14220024), (3, 9480016), (4, 7110012), (6, 4740008), (7, 4062864), (8, 3555006), (12, 2370004), (13, 2187696), (14, 2031432), (16, 1777503), (17, 1672944), (21, 1354288), (24, 1185002), (26, 1093848), (28, 1015716), (34, 836472), (39, 729232), (42, 677144), (48, 592501), (51, 557648), (52, 546924), (56, 507858), (68, 418236), (78, 364616), (84, 338572), (91, 312528), (102, 278824), (104, 273462), (112, 253929), (119, 238992), (136, 209118), (156, 182308), (168, 169286), (182, 156264), (204, 139412), (208, 136731), (221, 128688), (238, 119496), (272, 104559), (273, 104176), (312, 91154), (336, 84643), (357, 79664), (364, 78132), (383, 74256), (408, 69706), (442, 64344), (476, 59748), (546, 52088), (624, 45577), (663, 42896), (714, 39832), (728, 39066), (766, 37128), (816, 34853), (884, 32172), (952, 29874), (1092, 26044), (1149, 24752), (1326, 21448), (1428, 19916), (1456, 19533), (1532, 18564), (1547, 18384), (1768, 16086), (1904, 14937), (2184, 13022), (2298, 12376), (2652, 10724), (2681, 10608), (2856, 9958), (3064, 9282), (3094, 9192), (3536, 8043), (4368, 6511), (4596, 6188), (4641, 6128), (4979, 5712), (5304, 5362)]