17981495

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{643}}^1$

素因数の和:719

約数の個数: 32

約数和(自身を含む): 26707968

約数和(自身を除く): 8726473

約数列:

[1, 5, 7, 17, 35, 47, 85, 119, 235, 329, 595, 643, 799, 1645, 3215, 3995, 4501, 5593, 10931, 22505, 27965, 30221, 54655, 76517, 151105, 211547, 382585, 513757, 1057735, 2568785, 3596299, 17981495]

約数ペア:

[(1, 17981495), (5, 3596299), (7, 2568785), (17, 1057735), (35, 513757), (47, 382585), (85, 211547), (119, 151105), (235, 76517), (329, 54655), (595, 30221), (643, 27965), (799, 22505), (1645, 10931), (3215, 5593), (3995, 4501)]