65722328

素因数分解:

$2^3\times 7^2\times {\mathrm{389}}^1\times {\mathrm{431}}^1$

素因数の和:840

約数の個数: 48

約数和(自身を含む): 144050400

約数和(自身を除く): 78328072

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 196, 389, 392, 431, 778, 862, 1556, 1724, 2723, 3017, 3112, 3448, 5446, 6034, 10892, 12068, 19061, 21119, 21784, 24136, 38122, 42238, 76244, 84476, 152488, 167659, 168952, 335318, 670636, 1173613, 1341272, 2347226, 4694452, 8215291, 9388904, 16430582, 32861164, 65722328]

約数ペア:

[(1, 65722328), (2, 32861164), (4, 16430582), (7, 9388904), (8, 8215291), (14, 4694452), (28, 2347226), (49, 1341272), (56, 1173613), (98, 670636), (196, 335318), (389, 168952), (392, 167659), (431, 152488), (778, 84476), (862, 76244), (1556, 42238), (1724, 38122), (2723, 24136), (3017, 21784), (3112, 21119), (3448, 19061), (5446, 12068), (6034, 10892)]