747804988

素因数分解:

$2^2\times 7^1\times {\mathrm{139}}^1\times {\mathrm{271}}^1\times {\mathrm{709}}^1$

素因数の和:1130

約数の個数: 48

約数和(自身を含む): 1514060800

約数和(自身を除く): 766255812

約数列:

[1, 2, 4, 7, 14, 28, 139, 271, 278, 542, 556, 709, 973, 1084, 1418, 1897, 1946, 2836, 3794, 3892, 4963, 7588, 9926, 19852, 37669, 75338, 98551, 150676, 192139, 197102, 263683, 384278, 394204, 527366, 689857, 768556, 1054732, 1344973, 1379714, 2689946, 2759428, 5379892, 26707321, 53414642, 106829284, 186951247, 373902494, 747804988]

約数ペア:

[(1, 747804988), (2, 373902494), (4, 186951247), (7, 106829284), (14, 53414642), (28, 26707321), (139, 5379892), (271, 2759428), (278, 2689946), (542, 1379714), (556, 1344973), (709, 1054732), (973, 768556), (1084, 689857), (1418, 527366), (1897, 394204), (1946, 384278), (2836, 263683), (3794, 197102), (3892, 192139), (4963, 150676), (7588, 98551), (9926, 75338), (19852, 37669)]