69981392

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{509}}^1\times {\mathrm{661}}^1$

素因数の和:1191

約数の個数: 40

約数和(自身を含む): 146527080

約数和(自身を除く): 76545688

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 509, 661, 1018, 1322, 2036, 2644, 4072, 5288, 6617, 8144, 8593, 10576, 13234, 17186, 26468, 34372, 52936, 68744, 105872, 137488, 336449, 672898, 1345796, 2691592, 4373837, 5383184, 8747674, 17495348, 34990696, 69981392]

約数ペア:

[(1, 69981392), (2, 34990696), (4, 17495348), (8, 8747674), (13, 5383184), (16, 4373837), (26, 2691592), (52, 1345796), (104, 672898), (208, 336449), (509, 137488), (661, 105872), (1018, 68744), (1322, 52936), (2036, 34372), (2644, 26468), (4072, 17186), (5288, 13234), (6617, 10576), (8144, 8593)]