208516893

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{281}}^1\times {\mathrm{359}}^1$

素因数の和:709

約数の個数: 32

約数和(自身を含む): 306996480

約数和(自身を除く): 98479587

約数列:

[1, 3, 13, 39, 53, 159, 281, 359, 689, 843, 1077, 2067, 3653, 4667, 10959, 14001, 14893, 19027, 44679, 57081, 100879, 193609, 247351, 302637, 580827, 742053, 1311427, 3934281, 5346587, 16039761, 69505631, 208516893]

約数ペア:

[(1, 208516893), (3, 69505631), (13, 16039761), (39, 5346587), (53, 3934281), (159, 1311427), (281, 742053), (359, 580827), (689, 302637), (843, 247351), (1077, 193609), (2067, 100879), (3653, 57081), (4667, 44679), (10959, 19027), (14001, 14893)]