1639021958

素因数分解:

$2^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{601}}^1\times {\mathrm{1487}}^1$

素因数の和:2228

約数の個数: 32

約数和(自身を含む): 2837818368

約数和(自身を除く): 1198796410

約数列:

[1, 2, 7, 14, 131, 262, 601, 917, 1202, 1487, 1834, 2974, 4207, 8414, 10409, 20818, 78731, 157462, 194797, 389594, 551117, 893687, 1102234, 1363579, 1787374, 2727158, 6255809, 12511618, 117072997, 234145994, 819510979, 1639021958]

約数ペア:

[(1, 1639021958), (2, 819510979), (7, 234145994), (14, 117072997), (131, 12511618), (262, 6255809), (601, 2727158), (917, 1787374), (1202, 1363579), (1487, 1102234), (1834, 893687), (2974, 551117), (4207, 389594), (8414, 194797), (10409, 157462), (20818, 78731)]