791998090

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{320647}}^1$

素因数の和:320686

約数の個数: 32

約数和(自身を含む): 1616065920

約数和(自身を除く): 824067830

約数列:

[1, 2, 5, 10, 13, 19, 26, 38, 65, 95, 130, 190, 247, 494, 1235, 2470, 320647, 641294, 1603235, 3206470, 4168411, 6092293, 8336822, 12184586, 20842055, 30461465, 41684110, 60922930, 79199809, 158399618, 395999045, 791998090]

約数ペア:

[(1, 791998090), (2, 395999045), (5, 158399618), (10, 79199809), (13, 60922930), (19, 41684110), (26, 30461465), (38, 20842055), (65, 12184586), (95, 8336822), (130, 6092293), (190, 4168411), (247, 3206470), (494, 1603235), (1235, 641294), (2470, 320647)]