1557530478

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{1249}}^1\times {\mathrm{3299}}^1$

素因数の和:4566

約数の個数: 64

約数和(自身を含む): 3960000000

約数和(自身を除く): 2402469522

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 126, 189, 378, 1249, 2498, 3299, 3747, 6598, 7494, 8743, 9897, 11241, 17486, 19794, 22482, 23093, 26229, 29691, 33723, 46186, 52458, 59382, 67446, 69279, 78687, 89073, 138558, 157374, 178146, 207837, 236061, 415674, 472122, 623511, 1247022, 4120451, 8240902, 12361353, 24722706, 28843157, 37084059, 57686314, 74168118, 86529471, 111252177, 173058942, 222504354, 259588413, 519176826, 778765239, 1557530478]

約数ペア:

[(1, 1557530478), (2, 778765239), (3, 519176826), (6, 259588413), (7, 222504354), (9, 173058942), (14, 111252177), (18, 86529471), (21, 74168118), (27, 57686314), (42, 37084059), (54, 28843157), (63, 24722706), (126, 12361353), (189, 8240902), (378, 4120451), (1249, 1247022), (2498, 623511), (3299, 472122), (3747, 415674), (6598, 236061), (7494, 207837), (8743, 178146), (9897, 157374), (11241, 138558), (17486, 89073), (19794, 78687), (22482, 69279), (23093, 67446), (26229, 59382), (29691, 52458), (33723, 46186)]