208299416

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{64609}}^1$

素因数の和:64659

約数の個数: 32

約数和(自身を含む): 434179200

約数和(自身を除く): 225879784

約数列:

[1, 2, 4, 8, 13, 26, 31, 52, 62, 104, 124, 248, 403, 806, 1612, 3224, 64609, 129218, 258436, 516872, 839917, 1679834, 2002879, 3359668, 4005758, 6719336, 8011516, 16023032, 26037427, 52074854, 104149708, 208299416]

約数ペア:

[(1, 208299416), (2, 104149708), (4, 52074854), (8, 26037427), (13, 16023032), (26, 8011516), (31, 6719336), (52, 4005758), (62, 3359668), (104, 2002879), (124, 1679834), (248, 839917), (403, 516872), (806, 258436), (1612, 129218), (3224, 64609)]