2169215998

素因数分解:

$2^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{223}}^1\times {\mathrm{1123}}^1$

素因数の和:1480

約数の個数: 32

約数和(自身を含む): 3371784192

約数和(自身を除く): 1202568194

約数列:

[1, 2, 61, 71, 122, 142, 223, 446, 1123, 2246, 4331, 8662, 13603, 15833, 27206, 31666, 68503, 79733, 137006, 159466, 250429, 500858, 965813, 1931626, 4863713, 9727426, 15276169, 17780459, 30552338, 35560918, 1084607999, 2169215998]

約数ペア:

[(1, 2169215998), (2, 1084607999), (61, 35560918), (71, 30552338), (122, 17780459), (142, 15276169), (223, 9727426), (446, 4863713), (1123, 1931626), (2246, 965813), (4331, 500858), (8662, 250429), (13603, 159466), (15833, 137006), (27206, 79733), (31666, 68503)]