643671860

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{463}}^1\times {\mathrm{5347}}^1$

素因数の和:5832

約数の個数: 48

約数和(自身を含む): 1459105536

約数和(自身を除く): 815433676

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 463, 926, 1852, 2315, 4630, 5347, 6019, 9260, 10694, 12038, 21388, 24076, 26735, 30095, 53470, 60190, 69511, 106940, 120380, 139022, 278044, 347555, 695110, 1390220, 2475661, 4951322, 9902644, 12378305, 24756610, 32183593, 49513220, 64367186, 128734372, 160917965, 321835930, 643671860]

約数ペア:

[(1, 643671860), (2, 321835930), (4, 160917965), (5, 128734372), (10, 64367186), (13, 49513220), (20, 32183593), (26, 24756610), (52, 12378305), (65, 9902644), (130, 4951322), (260, 2475661), (463, 1390220), (926, 695110), (1852, 347555), (2315, 278044), (4630, 139022), (5347, 120380), (6019, 106940), (9260, 69511), (10694, 60190), (12038, 53470), (21388, 30095), (24076, 26735)]