201287678

素因数分解:

$2^1\times {\mathrm{61}}^1\times {\mathrm{421}}^1\times {\mathrm{3919}}^1$

素因数の和:4403

約数の個数: 16

約数和(自身を含む): 307688640

約数和(自身を除く): 106400962

約数列:

[1, 2, 61, 122, 421, 842, 3919, 7838, 25681, 51362, 239059, 478118, 1649899, 3299798, 100643839, 201287678]

約数ペア:

[(1, 201287678), (2, 100643839), (61, 3299798), (122, 1649899), (421, 478118), (842, 239059), (3919, 51362), (7838, 25681)]