1277778906

素因数分解:

$2^1\times 3^2\times {\mathrm{71}}^1\times {\mathrm{139}}^1\times {\mathrm{7193}}^1$

素因数の和:7411

約数の個数: 48

約数和(自身を含む): 2828105280

約数和(自身を除く): 1550326374

約数列:

[1, 2, 3, 6, 9, 18, 71, 139, 142, 213, 278, 417, 426, 639, 834, 1251, 1278, 2502, 7193, 9869, 14386, 19738, 21579, 29607, 43158, 59214, 64737, 88821, 129474, 177642, 510703, 999827, 1021406, 1532109, 1999654, 2999481, 3064218, 4596327, 5998962, 8998443, 9192654, 17996886, 70987717, 141975434, 212963151, 425926302, 638889453, 1277778906]

約数ペア:

[(1, 1277778906), (2, 638889453), (3, 425926302), (6, 212963151), (9, 141975434), (18, 70987717), (71, 17996886), (139, 9192654), (142, 8998443), (213, 5998962), (278, 4596327), (417, 3064218), (426, 2999481), (639, 1999654), (834, 1532109), (1251, 1021406), (1278, 999827), (2502, 510703), (7193, 177642), (9869, 129474), (14386, 88821), (19738, 64737), (21579, 59214), (29607, 43158)]