28525224

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{353}}^1$

素因数の和:419

約数の個数: 128

約数和(自身を含む): 90397440

約数和(自身を除く): 61872216

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 21, 24, 26, 28, 37, 39, 42, 52, 56, 74, 78, 84, 91, 104, 111, 148, 156, 168, 182, 222, 259, 273, 296, 312, 353, 364, 444, 481, 518, 546, 706, 728, 777, 888, 962, 1036, 1059, 1092, 1412, 1443, 1554, 1924, 2072, 2118, 2184, 2471, 2824, 2886, 3108, 3367, 3848, 4236, 4589, 4942, 5772, 6216, 6734, 7413, 8472, 9178, 9884, 10101, 11544, 13061, 13468, 13767, 14826, 18356, 19768, 20202, 26122, 26936, 27534, 29652, 32123, 36712, 39183, 40404, 52244, 55068, 59304, 64246, 78366, 80808, 91427, 96369, 104488, 110136, 128492, 156732, 169793, 182854, 192738, 256984, 274281, 313464, 339586, 365708, 385476, 509379, 548562, 679172, 731416, 770952, 1018758, 1097124, 1188551, 1358344, 2037516, 2194248, 2377102, 3565653, 4075032, 4754204, 7131306, 9508408, 14262612, 28525224]

約数ペア:

[(1, 28525224), (2, 14262612), (3, 9508408), (4, 7131306), (6, 4754204), (7, 4075032), (8, 3565653), (12, 2377102), (13, 2194248), (14, 2037516), (21, 1358344), (24, 1188551), (26, 1097124), (28, 1018758), (37, 770952), (39, 731416), (42, 679172), (52, 548562), (56, 509379), (74, 385476), (78, 365708), (84, 339586), (91, 313464), (104, 274281), (111, 256984), (148, 192738), (156, 182854), (168, 169793), (182, 156732), (222, 128492), (259, 110136), (273, 104488), (296, 96369), (312, 91427), (353, 80808), (364, 78366), (444, 64246), (481, 59304), (518, 55068), (546, 52244), (706, 40404), (728, 39183), (777, 36712), (888, 32123), (962, 29652), (1036, 27534), (1059, 26936), (1092, 26122), (1412, 20202), (1443, 19768), (1554, 18356), (1924, 14826), (2072, 13767), (2118, 13468), (2184, 13061), (2471, 11544), (2824, 10101), (2886, 9884), (3108, 9178), (3367, 8472), (3848, 7413), (4236, 6734), (4589, 6216), (4942, 5772)]