2805426

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{631}}^1$

素因数の和:671

約数の個数: 48

約数和(自身を含む): 6901440

約数和(自身を除く): 4096014

約数列:

[1, 2, 3, 6, 9, 13, 18, 19, 26, 38, 39, 57, 78, 114, 117, 171, 234, 247, 342, 494, 631, 741, 1262, 1482, 1893, 2223, 3786, 4446, 5679, 8203, 11358, 11989, 16406, 23978, 24609, 35967, 49218, 71934, 73827, 107901, 147654, 155857, 215802, 311714, 467571, 935142, 1402713, 2805426]

約数ペア:

[(1, 2805426), (2, 1402713), (3, 935142), (6, 467571), (9, 311714), (13, 215802), (18, 155857), (19, 147654), (26, 107901), (38, 73827), (39, 71934), (57, 49218), (78, 35967), (114, 24609), (117, 23978), (171, 16406), (234, 11989), (247, 11358), (342, 8203), (494, 5679), (631, 4446), (741, 3786), (1262, 2223), (1482, 1893)]