198277528

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{421}}^1\times {\mathrm{3463}}^1$

素因数の和:3907

約数の個数: 32

約数和(自身を含む): 394688160

約数和(自身を除く): 196410632

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 421, 842, 1684, 3368, 3463, 6926, 7157, 13852, 14314, 27704, 28628, 57256, 58871, 117742, 235484, 470968, 1457923, 2915846, 5831692, 11663384, 24784691, 49569382, 99138764, 198277528]

約数ペア:

[(1, 198277528), (2, 99138764), (4, 49569382), (8, 24784691), (17, 11663384), (34, 5831692), (68, 2915846), (136, 1457923), (421, 470968), (842, 235484), (1684, 117742), (3368, 58871), (3463, 57256), (6926, 28628), (7157, 27704), (13852, 14314)]