209121016

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{173}}^1\times {\mathrm{197}}^1$

素因数の和:448

約数の個数: 64

約数和(自身を含む): 434095200

約数和(自身を除く): 224974184

約数列:

[1, 2, 4, 8, 13, 26, 52, 59, 104, 118, 173, 197, 236, 346, 394, 472, 692, 767, 788, 1384, 1534, 1576, 2249, 2561, 3068, 4498, 5122, 6136, 8996, 10207, 10244, 11623, 17992, 20414, 20488, 23246, 34081, 40828, 46492, 68162, 81656, 92984, 132691, 136324, 151099, 265382, 272648, 302198, 443053, 530764, 604396, 886106, 1061528, 1208792, 1772212, 2010779, 3544424, 4021558, 8043116, 16086232, 26140127, 52280254, 104560508, 209121016]

約数ペア:

[(1, 209121016), (2, 104560508), (4, 52280254), (8, 26140127), (13, 16086232), (26, 8043116), (52, 4021558), (59, 3544424), (104, 2010779), (118, 1772212), (173, 1208792), (197, 1061528), (236, 886106), (346, 604396), (394, 530764), (472, 443053), (692, 302198), (767, 272648), (788, 265382), (1384, 151099), (1534, 136324), (1576, 132691), (2249, 92984), (2561, 81656), (3068, 68162), (4498, 46492), (5122, 40828), (6136, 34081), (8996, 23246), (10207, 20488), (10244, 20414), (11623, 17992)]