213868408

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{108233}}^1$

素因数の和:108271

約数の個数: 32

約数和(自身を含む): 454582800

約数和(自身を除く): 240714392

約数列:

[1, 2, 4, 8, 13, 19, 26, 38, 52, 76, 104, 152, 247, 494, 988, 1976, 108233, 216466, 432932, 865864, 1407029, 2056427, 2814058, 4112854, 5628116, 8225708, 11256232, 16451416, 26733551, 53467102, 106934204, 213868408]

約数ペア:

[(1, 213868408), (2, 106934204), (4, 53467102), (8, 26733551), (13, 16451416), (19, 11256232), (26, 8225708), (38, 5628116), (52, 4112854), (76, 2814058), (104, 2056427), (152, 1407029), (247, 865864), (494, 432932), (988, 216466), (1976, 108233)]