199719462020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{768151777}}^1$

素因数の和:768151799

約数の個数: 24

約数和(自身を含む): 451673245464

約数和(自身を除く): 251953783444

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 768151777, 1536303554, 3072607108, 3840758885, 7681517770, 9985973101, 15363035540, 19971946202, 39943892404, 49929865505, 99859731010, 199719462020]

約数ペア:

[(1, 199719462020), (2, 99859731010), (4, 49929865505), (5, 39943892404), (10, 19971946202), (13, 15363035540), (20, 9985973101), (26, 7681517770), (52, 3840758885), (65, 3072607108), (130, 1536303554), (260, 768151777)]