259637404

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{384079}}^1$

素因数の和:384109

約数の個数: 18

約数和(自身を含む): 492006480

約数和(自身を除く): 232369076

約数列:

[1, 2, 4, 13, 26, 52, 169, 338, 676, 384079, 768158, 1536316, 4993027, 9986054, 19972108, 64909351, 129818702, 259637404]

約数ペア:

[(1, 259637404), (2, 129818702), (4, 64909351), (13, 19972108), (26, 9986054), (52, 4993027), (169, 1536316), (338, 768158), (676, 384079)]