28505230

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{101}}^1\times {\mathrm{167}}^1$

素因数の和:301

約数の個数: 48

約数和(自身を含む): 56445984

約数和(自身を除く): 27940754

約数列:

[1, 2, 5, 10, 13, 26, 65, 101, 130, 167, 169, 202, 334, 338, 505, 835, 845, 1010, 1313, 1670, 1690, 2171, 2626, 4342, 6565, 10855, 13130, 16867, 17069, 21710, 28223, 33734, 34138, 56446, 84335, 85345, 141115, 168670, 170690, 219271, 282230, 438542, 1096355, 2192710, 2850523, 5701046, 14252615, 28505230]

約数ペア:

[(1, 28505230), (2, 14252615), (5, 5701046), (10, 2850523), (13, 2192710), (26, 1096355), (65, 438542), (101, 282230), (130, 219271), (167, 170690), (169, 168670), (202, 141115), (334, 85345), (338, 84335), (505, 56446), (835, 34138), (845, 33734), (1010, 28223), (1313, 21710), (1670, 17069), (1690, 16867), (2171, 13130), (2626, 10855), (4342, 6565)]