208889384

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1\times {\mathrm{499}}^1$

素因数の和:654

約数の個数: 64

約数和(自身を含む): 440640000

約数和(自身を除く): 231750616

約数列:

[1, 2, 4, 8, 11, 22, 44, 67, 71, 88, 134, 142, 268, 284, 499, 536, 568, 737, 781, 998, 1474, 1562, 1996, 2948, 3124, 3992, 4757, 5489, 5896, 6248, 9514, 10978, 19028, 21956, 33433, 35429, 38056, 43912, 52327, 66866, 70858, 104654, 133732, 141716, 209308, 267464, 283432, 367763, 389719, 418616, 735526, 779438, 1471052, 1558876, 2373743, 2942104, 3117752, 4747486, 9494972, 18989944, 26111173, 52222346, 104444692, 208889384]

約数ペア:

[(1, 208889384), (2, 104444692), (4, 52222346), (8, 26111173), (11, 18989944), (22, 9494972), (44, 4747486), (67, 3117752), (71, 2942104), (88, 2373743), (134, 1558876), (142, 1471052), (268, 779438), (284, 735526), (499, 418616), (536, 389719), (568, 367763), (737, 283432), (781, 267464), (998, 209308), (1474, 141716), (1562, 133732), (1996, 104654), (2948, 70858), (3124, 66866), (3992, 52327), (4757, 43912), (5489, 38056), (5896, 35429), (6248, 33433), (9514, 21956), (10978, 19028)]