81649708

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{337}}^1\times {\mathrm{509}}^1$

素因数の和:874

約数の個数: 48

約数和(自身を含む): 173759040

約数和(自身を除く): 92109332

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 68, 119, 238, 337, 476, 509, 674, 1018, 1348, 2036, 2359, 3563, 4718, 5729, 7126, 8653, 9436, 11458, 14252, 17306, 22916, 34612, 40103, 60571, 80206, 121142, 160412, 171533, 242284, 343066, 686132, 1200731, 2401462, 2916061, 4802924, 5832122, 11664244, 20412427, 40824854, 81649708]

約数ペア:

[(1, 81649708), (2, 40824854), (4, 20412427), (7, 11664244), (14, 5832122), (17, 4802924), (28, 2916061), (34, 2401462), (68, 1200731), (119, 686132), (238, 343066), (337, 242284), (476, 171533), (509, 160412), (674, 121142), (1018, 80206), (1348, 60571), (2036, 40103), (2359, 34612), (3563, 22916), (4718, 17306), (5729, 14252), (7126, 11458), (8653, 9436)]