28258272

素因数分解:

$2^5\times 3^2\times 7^1\times {\mathrm{107}}^1\times {\mathrm{131}}^1$

素因数の和:261

約数の個数: 144

約数和(自身を含む): 93405312

約数和(自身を除く): 65147040

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 32, 36, 42, 48, 56, 63, 72, 84, 96, 107, 112, 126, 131, 144, 168, 214, 224, 252, 262, 288, 321, 336, 393, 428, 504, 524, 642, 672, 749, 786, 856, 917, 963, 1008, 1048, 1179, 1284, 1498, 1572, 1712, 1834, 1926, 2016, 2096, 2247, 2358, 2568, 2751, 2996, 3144, 3424, 3668, 3852, 4192, 4494, 4716, 5136, 5502, 5992, 6288, 6741, 7336, 7704, 8253, 8988, 9432, 10272, 11004, 11984, 12576, 13482, 14017, 14672, 15408, 16506, 17976, 18864, 22008, 23968, 26964, 28034, 29344, 30816, 33012, 35952, 37728, 42051, 44016, 53928, 56068, 66024, 71904, 84102, 88032, 98119, 107856, 112136, 126153, 132048, 168204, 196238, 215712, 224272, 252306, 264096, 294357, 336408, 392476, 448544, 504612, 588714, 672816, 784952, 883071, 1009224, 1177428, 1345632, 1569904, 1766142, 2018448, 2354856, 3139808, 3532284, 4036896, 4709712, 7064568, 9419424, 14129136, 28258272]

約数ペア:

[(1, 28258272), (2, 14129136), (3, 9419424), (4, 7064568), (6, 4709712), (7, 4036896), (8, 3532284), (9, 3139808), (12, 2354856), (14, 2018448), (16, 1766142), (18, 1569904), (21, 1345632), (24, 1177428), (28, 1009224), (32, 883071), (36, 784952), (42, 672816), (48, 588714), (56, 504612), (63, 448544), (72, 392476), (84, 336408), (96, 294357), (107, 264096), (112, 252306), (126, 224272), (131, 215712), (144, 196238), (168, 168204), (214, 132048), (224, 126153), (252, 112136), (262, 107856), (288, 98119), (321, 88032), (336, 84102), (393, 71904), (428, 66024), (504, 56068), (524, 53928), (642, 44016), (672, 42051), (749, 37728), (786, 35952), (856, 33012), (917, 30816), (963, 29344), (1008, 28034), (1048, 26964), (1179, 23968), (1284, 22008), (1498, 18864), (1572, 17976), (1712, 16506), (1834, 15408), (1926, 14672), (2016, 14017), (2096, 13482), (2247, 12576), (2358, 11984), (2568, 11004), (2751, 10272), (2996, 9432), (3144, 8988), (3424, 8253), (3668, 7704), (3852, 7336), (4192, 6741), (4494, 6288), (4716, 5992), (5136, 5502)]