3891472

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{353}}^1$

素因数の和:427

約数の個数: 40

約数和(自身を含む): 8296344

約数和(自身を除く): 4404872

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 53, 104, 106, 208, 212, 353, 424, 689, 706, 848, 1378, 1412, 2756, 2824, 4589, 5512, 5648, 9178, 11024, 18356, 18709, 36712, 37418, 73424, 74836, 149672, 243217, 299344, 486434, 972868, 1945736, 3891472]

約数ペア:

[(1, 3891472), (2, 1945736), (4, 972868), (8, 486434), (13, 299344), (16, 243217), (26, 149672), (52, 74836), (53, 73424), (104, 37418), (106, 36712), (208, 18709), (212, 18356), (353, 11024), (424, 9178), (689, 5648), (706, 5512), (848, 4589), (1378, 2824), (1412, 2756)]