1211197876

素因数分解:

$2^2\times 7^2\times {\mathrm{29}}^1\times {\mathrm{409}}^1\times {\mathrm{521}}^1$

素因数の和:977

約数の個数: 72

約数和(自身を含む): 2561819400

約数和(自身を除く): 1350621524

約数列:

[1, 2, 4, 7, 14, 28, 29, 49, 58, 98, 116, 196, 203, 406, 409, 521, 812, 818, 1042, 1421, 1636, 2084, 2842, 2863, 3647, 5684, 5726, 7294, 11452, 11861, 14588, 15109, 20041, 23722, 25529, 30218, 40082, 47444, 51058, 60436, 80164, 83027, 102116, 105763, 166054, 211526, 213089, 332108, 423052, 426178, 581189, 740341, 852356, 1162378, 1480682, 1491623, 2324756, 2961364, 2983246, 5966492, 6179581, 10441361, 12359162, 20882722, 24718324, 41765444, 43257067, 86514134, 173028268, 302799469, 605598938, 1211197876]

約数ペア:

[(1, 1211197876), (2, 605598938), (4, 302799469), (7, 173028268), (14, 86514134), (28, 43257067), (29, 41765444), (49, 24718324), (58, 20882722), (98, 12359162), (116, 10441361), (196, 6179581), (203, 5966492), (406, 2983246), (409, 2961364), (521, 2324756), (812, 1491623), (818, 1480682), (1042, 1162378), (1421, 852356), (1636, 740341), (2084, 581189), (2842, 426178), (2863, 423052), (3647, 332108), (5684, 213089), (5726, 211526), (7294, 166054), (11452, 105763), (11861, 102116), (14588, 83027), (15109, 80164), (20041, 60436), (23722, 51058), (25529, 47444), (30218, 40082)]