278840364

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{20509}}^1$

素因数の和:20630

約数の個数: 48

約数和(自身を含む): 716701440

約数和(自身を除く): 437861076

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 44, 66, 103, 132, 206, 309, 412, 618, 1133, 1236, 2266, 3399, 4532, 6798, 13596, 20509, 41018, 61527, 82036, 123054, 225599, 246108, 451198, 676797, 902396, 1353594, 2112427, 2707188, 4224854, 6337281, 8449708, 12674562, 23236697, 25349124, 46473394, 69710091, 92946788, 139420182, 278840364]

約数ペア:

[(1, 278840364), (2, 139420182), (3, 92946788), (4, 69710091), (6, 46473394), (11, 25349124), (12, 23236697), (22, 12674562), (33, 8449708), (44, 6337281), (66, 4224854), (103, 2707188), (132, 2112427), (206, 1353594), (309, 902396), (412, 676797), (618, 451198), (1133, 246108), (1236, 225599), (2266, 123054), (3399, 82036), (4532, 61527), (6798, 41018), (13596, 20509)]