28740504

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{251}}^1\times {\mathrm{367}}^1$

素因数の和:640

約数の個数: 64

約数和(自身を含む): 77898240

約数和(自身を除く): 49157736

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 251, 312, 367, 502, 734, 753, 1004, 1101, 1468, 1506, 2008, 2202, 2936, 3012, 3263, 4404, 4771, 6024, 6526, 8808, 9542, 9789, 13052, 14313, 19084, 19578, 26104, 28626, 38168, 39156, 57252, 78312, 92117, 114504, 184234, 276351, 368468, 552702, 736936, 1105404, 1197521, 2210808, 2395042, 3592563, 4790084, 7185126, 9580168, 14370252, 28740504]

約数ペア:

[(1, 28740504), (2, 14370252), (3, 9580168), (4, 7185126), (6, 4790084), (8, 3592563), (12, 2395042), (13, 2210808), (24, 1197521), (26, 1105404), (39, 736936), (52, 552702), (78, 368468), (104, 276351), (156, 184234), (251, 114504), (312, 92117), (367, 78312), (502, 57252), (734, 39156), (753, 38168), (1004, 28626), (1101, 26104), (1468, 19578), (1506, 19084), (2008, 14313), (2202, 13052), (2936, 9789), (3012, 9542), (3263, 8808), (4404, 6526), (4771, 6024)]