280408086

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{317923}}^1$

素因数の和:317945

約数の個数: 36

約数和(自身を含む): 706745052

約数和(自身を除く): 426336966

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 49, 63, 98, 126, 147, 294, 441, 882, 317923, 635846, 953769, 1907538, 2225461, 2861307, 4450922, 5722614, 6676383, 13352766, 15578227, 20029149, 31156454, 40058298, 46734681, 93469362, 140204043, 280408086]

約数ペア:

[(1, 280408086), (2, 140204043), (3, 93469362), (6, 46734681), (7, 40058298), (9, 31156454), (14, 20029149), (18, 15578227), (21, 13352766), (42, 6676383), (49, 5722614), (63, 4450922), (98, 2861307), (126, 2225461), (147, 1907538), (294, 953769), (441, 635846), (882, 317923)]