28166712

素因数分解:

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

素因数の和:836

約数の個数: 64

約数和(自身を含む): 80870400

約数和(自身を除く): 52703688

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168, 389, 431, 778, 862, 1167, 1293, 1556, 1724, 2334, 2586, 2723, 3017, 3112, 3448, 4668, 5172, 5446, 6034, 8169, 9051, 9336, 10344, 10892, 12068, 16338, 18102, 21784, 24136, 32676, 36204, 65352, 72408, 167659, 335318, 502977, 670636, 1005954, 1173613, 1341272, 2011908, 2347226, 3520839, 4023816, 4694452, 7041678, 9388904, 14083356, 28166712]

約数ペア:

[(1, 28166712), (2, 14083356), (3, 9388904), (4, 7041678), (6, 4694452), (7, 4023816), (8, 3520839), (12, 2347226), (14, 2011908), (21, 1341272), (24, 1173613), (28, 1005954), (42, 670636), (56, 502977), (84, 335318), (168, 167659), (389, 72408), (431, 65352), (778, 36204), (862, 32676), (1167, 24136), (1293, 21784), (1556, 18102), (1724, 16338), (2334, 12068), (2586, 10892), (2723, 10344), (3017, 9336), (3112, 9051), (3448, 8169), (4668, 6034), (5172, 5446)]