81216752

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{6353}}^1$

素因数の和:6425

約数の個数: 40

約数和(自身を含む): 170185536

約数和(自身を除く): 88968784

約数列:

[1, 2, 4, 8, 16, 17, 34, 47, 68, 94, 136, 188, 272, 376, 752, 799, 1598, 3196, 6353, 6392, 12706, 12784, 25412, 50824, 101648, 108001, 216002, 298591, 432004, 597182, 864008, 1194364, 1728016, 2388728, 4777456, 5076047, 10152094, 20304188, 40608376, 81216752]

約数ペア:

[(1, 81216752), (2, 40608376), (4, 20304188), (8, 10152094), (16, 5076047), (17, 4777456), (34, 2388728), (47, 1728016), (68, 1194364), (94, 864008), (136, 597182), (188, 432004), (272, 298591), (376, 216002), (752, 108001), (799, 101648), (1598, 50824), (3196, 25412), (6353, 12784), (6392, 12706)]