28798175

素因数分解:

$5^2\times 7^1\times {\mathrm{43}}^2\times {\mathrm{89}}^1$

素因数の和:192

約数の個数: 36

約数和(自身を含む): 42251760

約数和(自身を除く): 13453585

約数列:

[1, 5, 7, 25, 35, 43, 89, 175, 215, 301, 445, 623, 1075, 1505, 1849, 2225, 3115, 3827, 7525, 9245, 12943, 15575, 19135, 26789, 46225, 64715, 95675, 133945, 164561, 323575, 669725, 822805, 1151927, 4114025, 5759635, 28798175]

約数ペア:

[(1, 28798175), (5, 5759635), (7, 4114025), (25, 1151927), (35, 822805), (43, 669725), (89, 323575), (175, 164561), (215, 133945), (301, 95675), (445, 64715), (623, 46225), (1075, 26789), (1505, 19135), (1849, 15575), (2225, 12943), (3115, 9245), (3827, 7525)]