78840244

素因数分解:

$2^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{139}}^1\times {\mathrm{431}}^1$

素因数の和:628

約数の個数: 48

約数和(自身を含む): 162570240

約数和(自身を除く): 83729996

約数列:

[1, 2, 4, 7, 14, 28, 47, 94, 139, 188, 278, 329, 431, 556, 658, 862, 973, 1316, 1724, 1946, 3017, 3892, 6034, 6533, 12068, 13066, 20257, 26132, 40514, 45731, 59909, 81028, 91462, 119818, 141799, 182924, 239636, 283598, 419363, 567196, 838726, 1677452, 2815723, 5631446, 11262892, 19710061, 39420122, 78840244]

約数ペア:

[(1, 78840244), (2, 39420122), (4, 19710061), (7, 11262892), (14, 5631446), (28, 2815723), (47, 1677452), (94, 838726), (139, 567196), (188, 419363), (278, 283598), (329, 239636), (431, 182924), (556, 141799), (658, 119818), (862, 91462), (973, 81028), (1316, 59909), (1724, 45731), (1946, 40514), (3017, 26132), (3892, 20257), (6034, 13066), (6533, 12068)]