28273115

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{283}}^1$

素因数の和:383

約数の個数: 32

約数和(自身を含む): 38646720

約数和(自身を除く): 10373605

約数列:

[1, 5, 13, 29, 53, 65, 145, 265, 283, 377, 689, 1415, 1537, 1885, 3445, 3679, 7685, 8207, 14999, 18395, 19981, 41035, 74995, 99905, 106691, 194987, 434971, 533455, 974935, 2174855, 5654623, 28273115]

約数ペア:

[(1, 28273115), (5, 5654623), (13, 2174855), (29, 974935), (53, 533455), (65, 434971), (145, 194987), (265, 106691), (283, 99905), (377, 74995), (689, 41035), (1415, 19981), (1537, 18395), (1885, 14999), (3445, 8207), (3679, 7685)]