208045370

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1600349}}^1$

素因数の和:1600369

約数の個数: 16

約数和(自身を含む): 403288200

約数和(自身を除く): 195242830

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 1600349, 3200698, 8001745, 16003490, 20804537, 41609074, 104022685, 208045370]

約数ペア:

[(1, 208045370), (2, 104022685), (5, 41609074), (10, 20804537), (13, 16003490), (26, 8001745), (65, 3200698), (130, 1600349)]