208985218

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{9001}}^1$

素因数の和:9082

約数の個数: 32

約数和(自身を含む): 362960640

約数和(自身を除く): 153975422

約数列:

[1, 2, 13, 19, 26, 38, 47, 94, 247, 494, 611, 893, 1222, 1786, 9001, 11609, 18002, 23218, 117013, 171019, 234026, 342038, 423047, 846094, 2223247, 4446494, 5499611, 8037893, 10999222, 16075786, 104492609, 208985218]

約数ペア:

[(1, 208985218), (2, 104492609), (13, 16075786), (19, 10999222), (26, 8037893), (38, 5499611), (47, 4446494), (94, 2223247), (247, 846094), (494, 423047), (611, 342038), (893, 234026), (1222, 171019), (1786, 117013), (9001, 23218), (11609, 18002)]