28397628

素因数分解:

$2^2\times 3^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{659}}^1$

素因数の和:701

約数の個数: 120

約数和(自身を含む): 89443200

約数和(自身を除く): 61045572

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 19, 21, 27, 28, 36, 38, 42, 54, 57, 63, 76, 81, 84, 108, 114, 126, 133, 162, 171, 189, 228, 252, 266, 324, 342, 378, 399, 513, 532, 567, 659, 684, 756, 798, 1026, 1134, 1197, 1318, 1539, 1596, 1977, 2052, 2268, 2394, 2636, 3078, 3591, 3954, 4613, 4788, 5931, 6156, 7182, 7908, 9226, 10773, 11862, 12521, 13839, 14364, 17793, 18452, 21546, 23724, 25042, 27678, 35586, 37563, 41517, 43092, 50084, 53379, 55356, 71172, 75126, 83034, 87647, 106758, 112689, 124551, 150252, 166068, 175294, 213516, 225378, 249102, 262941, 338067, 350588, 373653, 450756, 498204, 525882, 676134, 747306, 788823, 1014201, 1051764, 1352268, 1494612, 1577646, 2028402, 2366469, 3155292, 4056804, 4732938, 7099407, 9465876, 14198814, 28397628]

約数ペア:

[(1, 28397628), (2, 14198814), (3, 9465876), (4, 7099407), (6, 4732938), (7, 4056804), (9, 3155292), (12, 2366469), (14, 2028402), (18, 1577646), (19, 1494612), (21, 1352268), (27, 1051764), (28, 1014201), (36, 788823), (38, 747306), (42, 676134), (54, 525882), (57, 498204), (63, 450756), (76, 373653), (81, 350588), (84, 338067), (108, 262941), (114, 249102), (126, 225378), (133, 213516), (162, 175294), (171, 166068), (189, 150252), (228, 124551), (252, 112689), (266, 106758), (324, 87647), (342, 83034), (378, 75126), (399, 71172), (513, 55356), (532, 53379), (567, 50084), (659, 43092), (684, 41517), (756, 37563), (798, 35586), (1026, 27678), (1134, 25042), (1197, 23724), (1318, 21546), (1539, 18452), (1596, 17793), (1977, 14364), (2052, 13839), (2268, 12521), (2394, 11862), (2636, 10773), (3078, 9226), (3591, 7908), (3954, 7182), (4613, 6156), (4788, 5931)]