81358948

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{107}}^1\times {\mathrm{1571}}^1$

素因数の和:1704

約数の個数: 36

約数和(自身を含む): 158061456

約数和(自身を除く): 76702508

約数列:

[1, 2, 4, 11, 22, 44, 107, 121, 214, 242, 428, 484, 1177, 1571, 2354, 3142, 4708, 6284, 12947, 17281, 25894, 34562, 51788, 69124, 168097, 190091, 336194, 380182, 672388, 760364, 1849067, 3698134, 7396268, 20339737, 40679474, 81358948]

約数ペア:

[(1, 81358948), (2, 40679474), (4, 20339737), (11, 7396268), (22, 3698134), (44, 1849067), (107, 760364), (121, 672388), (214, 380182), (242, 336194), (428, 190091), (484, 168097), (1177, 69124), (1571, 51788), (2354, 34562), (3142, 25894), (4708, 17281), (6284, 12947)]