28420588

素因数分解:

$2^2\times 7^2\times {\mathrm{37}}^1\times {\mathrm{3919}}^1$

素因数の和:3974

約数の個数: 36

約数和(自身を含む): 59435040

約数和(自身を除く): 31014452

約数列:

[1, 2, 4, 7, 14, 28, 37, 49, 74, 98, 148, 196, 259, 518, 1036, 1813, 3626, 3919, 7252, 7838, 15676, 27433, 54866, 109732, 145003, 192031, 290006, 384062, 580012, 768124, 1015021, 2030042, 4060084, 7105147, 14210294, 28420588]

約数ペア:

[(1, 28420588), (2, 14210294), (4, 7105147), (7, 4060084), (14, 2030042), (28, 1015021), (37, 768124), (49, 580012), (74, 384062), (98, 290006), (148, 192031), (196, 145003), (259, 109732), (518, 54866), (1036, 27433), (1813, 15676), (3626, 7838), (3919, 7252)]