208631488

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{8089}}^1$

素因数の和:8145

約数の個数: 56

約数和(自身を含む): 460288640

約数和(自身を除く): 251657152

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 32, 52, 62, 64, 104, 124, 208, 248, 403, 416, 496, 806, 832, 992, 1612, 1984, 3224, 6448, 8089, 12896, 16178, 25792, 32356, 64712, 105157, 129424, 210314, 250759, 258848, 420628, 501518, 517696, 841256, 1003036, 1682512, 2006072, 3259867, 3365024, 4012144, 6519734, 6730048, 8024288, 13039468, 16048576, 26078936, 52157872, 104315744, 208631488]

約数ペア:

[(1, 208631488), (2, 104315744), (4, 52157872), (8, 26078936), (13, 16048576), (16, 13039468), (26, 8024288), (31, 6730048), (32, 6519734), (52, 4012144), (62, 3365024), (64, 3259867), (104, 2006072), (124, 1682512), (208, 1003036), (248, 841256), (403, 517696), (416, 501518), (496, 420628), (806, 258848), (832, 250759), (992, 210314), (1612, 129424), (1984, 105157), (3224, 64712), (6448, 32356), (8089, 25792), (12896, 16178)]