199315714

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{139}}^1\times {\mathrm{421}}^1$

素因数の和:706

約数の個数: 32

約数和(自身を含む): 327539520

約数和(自身を除く): 128223806

約数列:

[1, 2, 13, 26, 131, 139, 262, 278, 421, 842, 1703, 1807, 3406, 3614, 5473, 10946, 18209, 36418, 55151, 58519, 110302, 117038, 236717, 473434, 716963, 760747, 1433926, 1521494, 7665989, 15331978, 99657857, 199315714]

約数ペア:

[(1, 199315714), (2, 99657857), (13, 15331978), (26, 7665989), (131, 1521494), (139, 1433926), (262, 760747), (278, 716963), (421, 473434), (842, 236717), (1703, 117038), (1807, 110302), (3406, 58519), (3614, 55151), (5473, 36418), (10946, 18209)]