284289985

素因数分解:

$5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{109}}^1\times {\mathrm{1733}}^1$

素因数の和:1897

約数の個数: 32

約数和(自身を含む): 402842880

約数和(自身を除く): 118552895

約数列:

[1, 5, 7, 35, 43, 109, 215, 301, 545, 763, 1505, 1733, 3815, 4687, 8665, 12131, 23435, 32809, 60655, 74519, 164045, 188897, 372595, 521633, 944485, 1322279, 2608165, 6611395, 8122571, 40612855, 56857997, 284289985]

約数ペア:

[(1, 284289985), (5, 56857997), (7, 40612855), (35, 8122571), (43, 6611395), (109, 2608165), (215, 1322279), (301, 944485), (545, 521633), (763, 372595), (1505, 188897), (1733, 164045), (3815, 74519), (4687, 60655), (8665, 32809), (12131, 23435)]