81091276

素因数分解:

$2^2\times 7^2\times {\mathrm{41}}^1\times {\mathrm{10091}}^1$

素因数の和:10150

約数の個数: 36

約数和(自身を含む): 169121736

約数和(自身を除く): 88030460

約数列:

[1, 2, 4, 7, 14, 28, 41, 49, 82, 98, 164, 196, 287, 574, 1148, 2009, 4018, 8036, 10091, 20182, 40364, 70637, 141274, 282548, 413731, 494459, 827462, 988918, 1654924, 1977836, 2896117, 5792234, 11584468, 20272819, 40545638, 81091276]

約数ペア:

[(1, 81091276), (2, 40545638), (4, 20272819), (7, 11584468), (14, 5792234), (28, 2896117), (41, 1977836), (49, 1654924), (82, 988918), (98, 827462), (164, 494459), (196, 413731), (287, 282548), (574, 141274), (1148, 70637), (2009, 40364), (4018, 20182), (8036, 10091)]