87981426

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{1301}}^1$

素因数の和:1356

約数の個数: 72

約数和(自身を含む): 218243844

約数和(自身を除く): 130262418

約数列:

[1, 2, 3, 6, 9, 13, 17, 18, 26, 34, 39, 51, 78, 102, 117, 153, 221, 234, 289, 306, 442, 578, 663, 867, 1301, 1326, 1734, 1989, 2601, 2602, 3757, 3903, 3978, 5202, 7514, 7806, 11271, 11709, 16913, 22117, 22542, 23418, 33813, 33826, 44234, 50739, 66351, 67626, 101478, 132702, 152217, 199053, 287521, 304434, 375989, 398106, 575042, 751978, 862563, 1127967, 1725126, 2255934, 2587689, 3383901, 4887857, 5175378, 6767802, 9775714, 14663571, 29327142, 43990713, 87981426]

約数ペア:

[(1, 87981426), (2, 43990713), (3, 29327142), (6, 14663571), (9, 9775714), (13, 6767802), (17, 5175378), (18, 4887857), (26, 3383901), (34, 2587689), (39, 2255934), (51, 1725126), (78, 1127967), (102, 862563), (117, 751978), (153, 575042), (221, 398106), (234, 375989), (289, 304434), (306, 287521), (442, 199053), (578, 152217), (663, 132702), (867, 101478), (1301, 67626), (1326, 66351), (1734, 50739), (1989, 44234), (2601, 33826), (2602, 33813), (3757, 23418), (3903, 22542), (3978, 22117), (5202, 16913), (7514, 11709), (7806, 11271)]