171888782

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{349}}^1\times {\mathrm{997}}^1$

素因数の和:1380

約数の個数: 32

約数和(自身を含む): 293412000

約数和(自身を除く): 121523218

約数列:

[1, 2, 13, 19, 26, 38, 247, 349, 494, 698, 997, 1994, 4537, 6631, 9074, 12961, 13262, 18943, 25922, 37886, 86203, 172406, 246259, 347953, 492518, 695906, 4523389, 6611107, 9046778, 13222214, 85944391, 171888782]

約数ペア:

[(1, 171888782), (2, 85944391), (13, 13222214), (19, 9046778), (26, 6611107), (38, 4523389), (247, 695906), (349, 492518), (494, 347953), (698, 246259), (997, 172406), (1994, 86203), (4537, 37886), (6631, 25922), (9074, 18943), (12961, 13262)]