68993704

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{12517}}^1$

素因数の和:12589

約数の個数: 32

約数和(自身を含む): 141954120

約数和(自身を除く): 72960416

約数列:

[1, 2, 4, 8, 13, 26, 52, 53, 104, 106, 212, 424, 689, 1378, 2756, 5512, 12517, 25034, 50068, 100136, 162721, 325442, 650884, 663401, 1301768, 1326802, 2653604, 5307208, 8624213, 17248426, 34496852, 68993704]

約数ペア:

[(1, 68993704), (2, 34496852), (4, 17248426), (8, 8624213), (13, 5307208), (26, 2653604), (52, 1326802), (53, 1301768), (104, 663401), (106, 650884), (212, 325442), (424, 162721), (689, 100136), (1378, 50068), (2756, 25034), (5512, 12517)]