80988964

素因数分解:

$2^2\times 7^2\times {\mathrm{359}}^1\times {\mathrm{1151}}^1$

素因数の和:1528

約数の個数: 36

約数和(自身を含む): 165473280

約数和(自身を除く): 84484316

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 359, 718, 1151, 1436, 2302, 2513, 4604, 5026, 8057, 10052, 16114, 17591, 32228, 35182, 56399, 70364, 112798, 225596, 413209, 826418, 1652836, 2892463, 5784926, 11569852, 20247241, 40494482, 80988964]

約数ペア:

[(1, 80988964), (2, 40494482), (4, 20247241), (7, 11569852), (14, 5784926), (28, 2892463), (49, 1652836), (98, 826418), (196, 413209), (359, 225596), (718, 112798), (1151, 70364), (1436, 56399), (2302, 35182), (2513, 32228), (4604, 17591), (5026, 16114), (8057, 10052)]