137987408

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{12517}}^1$

素因数の和:12591

約数の個数: 40

約数和(自身を含む): 293371848

約数和(自身を除く): 155384440

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 53, 104, 106, 208, 212, 424, 689, 848, 1378, 2756, 5512, 11024, 12517, 25034, 50068, 100136, 162721, 200272, 325442, 650884, 663401, 1301768, 1326802, 2603536, 2653604, 5307208, 8624213, 10614416, 17248426, 34496852, 68993704, 137987408]

約数ペア:

[(1, 137987408), (2, 68993704), (4, 34496852), (8, 17248426), (13, 10614416), (16, 8624213), (26, 5307208), (52, 2653604), (53, 2603536), (104, 1326802), (106, 1301768), (208, 663401), (212, 650884), (424, 325442), (689, 200272), (848, 162721), (1378, 100136), (2756, 50068), (5512, 25034), (11024, 12517)]