16995472

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{809}}^1$

素因数の和:931

約数の個数: 40

約数和(自身を含む): 35857080

約数和(自身を除く): 18861608

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 101, 104, 202, 208, 404, 808, 809, 1313, 1616, 1618, 2626, 3236, 5252, 6472, 10504, 10517, 12944, 21008, 21034, 42068, 81709, 84136, 163418, 168272, 326836, 653672, 1062217, 1307344, 2124434, 4248868, 8497736, 16995472]

約数ペア:

[(1, 16995472), (2, 8497736), (4, 4248868), (8, 2124434), (13, 1307344), (16, 1062217), (26, 653672), (52, 326836), (101, 168272), (104, 163418), (202, 84136), (208, 81709), (404, 42068), (808, 21034), (809, 21008), (1313, 12944), (1616, 10517), (1618, 10504), (2626, 6472), (3236, 5252)]