28563408

素因数分解:

$2^4\times 3^3\times {\mathrm{37}}^1\times {\mathrm{1787}}^1$

素因数の和:1841

約数の個数: 80

約数和(自身を含む): 84250560

約数和(自身を除く): 55687152

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 37, 48, 54, 72, 74, 108, 111, 144, 148, 216, 222, 296, 333, 432, 444, 592, 666, 888, 999, 1332, 1776, 1787, 1998, 2664, 3574, 3996, 5328, 5361, 7148, 7992, 10722, 14296, 15984, 16083, 21444, 28592, 32166, 42888, 48249, 64332, 66119, 85776, 96498, 128664, 132238, 192996, 198357, 257328, 264476, 385992, 396714, 528952, 595071, 771984, 793428, 1057904, 1190142, 1586856, 1785213, 2380284, 3173712, 3570426, 4760568, 7140852, 9521136, 14281704, 28563408]

約数ペア:

[(1, 28563408), (2, 14281704), (3, 9521136), (4, 7140852), (6, 4760568), (8, 3570426), (9, 3173712), (12, 2380284), (16, 1785213), (18, 1586856), (24, 1190142), (27, 1057904), (36, 793428), (37, 771984), (48, 595071), (54, 528952), (72, 396714), (74, 385992), (108, 264476), (111, 257328), (144, 198357), (148, 192996), (216, 132238), (222, 128664), (296, 96498), (333, 85776), (432, 66119), (444, 64332), (592, 48249), (666, 42888), (888, 32166), (999, 28592), (1332, 21444), (1776, 16083), (1787, 15984), (1998, 14296), (2664, 10722), (3574, 7992), (3996, 7148), (5328, 5361)]