259911484

素因数分解:

$2^2\times 7^2\times {\mathrm{61}}^1\times {\mathrm{21739}}^1$

素因数の和:21818

約数の個数: 36

約数和(自身を含む): 537804120

約数和(自身を除く): 277892636

約数列:

[1, 2, 4, 7, 14, 28, 49, 61, 98, 122, 196, 244, 427, 854, 1708, 2989, 5978, 11956, 21739, 43478, 86956, 152173, 304346, 608692, 1065211, 1326079, 2130422, 2652158, 4260844, 5304316, 9282553, 18565106, 37130212, 64977871, 129955742, 259911484]

約数ペア:

[(1, 259911484), (2, 129955742), (4, 64977871), (7, 37130212), (14, 18565106), (28, 9282553), (49, 5304316), (61, 4260844), (98, 2652158), (122, 2130422), (196, 1326079), (244, 1065211), (427, 608692), (854, 304346), (1708, 152173), (2989, 86956), (5978, 43478), (11956, 21739)]