279925568

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{509}}^1\times {\mathrm{661}}^1$

素因数の和:1195

約数の個数: 56

約数和(自身を含む): 600288360

約数和(自身を除く): 320362792

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 208, 416, 509, 661, 832, 1018, 1322, 2036, 2644, 4072, 5288, 6617, 8144, 8593, 10576, 13234, 16288, 17186, 21152, 26468, 32576, 34372, 42304, 52936, 68744, 105872, 137488, 211744, 274976, 336449, 423488, 549952, 672898, 1345796, 2691592, 4373837, 5383184, 8747674, 10766368, 17495348, 21532736, 34990696, 69981392, 139962784, 279925568]

約数ペア:

[(1, 279925568), (2, 139962784), (4, 69981392), (8, 34990696), (13, 21532736), (16, 17495348), (26, 10766368), (32, 8747674), (52, 5383184), (64, 4373837), (104, 2691592), (208, 1345796), (416, 672898), (509, 549952), (661, 423488), (832, 336449), (1018, 274976), (1322, 211744), (2036, 137488), (2644, 105872), (4072, 68744), (5288, 52936), (6617, 42304), (8144, 34372), (8593, 32576), (10576, 26468), (13234, 21152), (16288, 17186)]