28708272

素因数分解:

$2^4\times 3^2\times {\mathrm{73}}^1\times {\mathrm{2731}}^1$

素因数の和:2818

約数の個数: 60

約数和(自身を含む): 81473704

約数和(自身を除く): 52765432

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 73, 144, 146, 219, 292, 438, 584, 657, 876, 1168, 1314, 1752, 2628, 2731, 3504, 5256, 5462, 8193, 10512, 10924, 16386, 21848, 24579, 32772, 43696, 49158, 65544, 98316, 131088, 196632, 199363, 393264, 398726, 598089, 797452, 1196178, 1594904, 1794267, 2392356, 3189808, 3588534, 4784712, 7177068, 9569424, 14354136, 28708272]

約数ペア:

[(1, 28708272), (2, 14354136), (3, 9569424), (4, 7177068), (6, 4784712), (8, 3588534), (9, 3189808), (12, 2392356), (16, 1794267), (18, 1594904), (24, 1196178), (36, 797452), (48, 598089), (72, 398726), (73, 393264), (144, 199363), (146, 196632), (219, 131088), (292, 98316), (438, 65544), (584, 49158), (657, 43696), (876, 32772), (1168, 24579), (1314, 21848), (1752, 16386), (2628, 10924), (2731, 10512), (3504, 8193), (5256, 5462)]