1291786492

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{149}}^1\times {\mathrm{503}}^1$

素因数の和:826

約数の個数: 48

約数和(自身を含む): 2370816000

約数和(自身を除く): 1079029508

約数列:

[1, 2, 4, 31, 62, 124, 139, 149, 278, 298, 503, 556, 596, 1006, 2012, 4309, 4619, 8618, 9238, 15593, 17236, 18476, 20711, 31186, 41422, 62372, 69917, 74947, 82844, 139834, 149894, 279668, 299788, 642041, 1284082, 2167427, 2323357, 2568164, 4334854, 4646714, 8669708, 9293428, 10417633, 20835266, 41670532, 322946623, 645893246, 1291786492]

約数ペア:

[(1, 1291786492), (2, 645893246), (4, 322946623), (31, 41670532), (62, 20835266), (124, 10417633), (139, 9293428), (149, 8669708), (278, 4646714), (298, 4334854), (503, 2568164), (556, 2323357), (596, 2167427), (1006, 1284082), (2012, 642041), (4309, 299788), (4619, 279668), (8618, 149894), (9238, 139834), (15593, 82844), (17236, 74947), (18476, 69917), (20711, 62372), (31186, 41422)]