28582164

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{389}}^1$

素因数の和:569

約数の個数: 72

約数和(自身を含む): 78503880

約数和(自身を除く): 49921716

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 157, 234, 314, 389, 468, 471, 628, 778, 942, 1167, 1413, 1556, 1884, 2041, 2334, 2826, 3501, 4082, 4668, 5057, 5652, 6123, 7002, 8164, 10114, 12246, 14004, 15171, 18369, 20228, 24492, 30342, 36738, 45513, 60684, 61073, 73476, 91026, 122146, 182052, 183219, 244292, 366438, 549657, 732876, 793949, 1099314, 1587898, 2198628, 2381847, 3175796, 4763694, 7145541, 9527388, 14291082, 28582164]

約数ペア:

[(1, 28582164), (2, 14291082), (3, 9527388), (4, 7145541), (6, 4763694), (9, 3175796), (12, 2381847), (13, 2198628), (18, 1587898), (26, 1099314), (36, 793949), (39, 732876), (52, 549657), (78, 366438), (117, 244292), (156, 183219), (157, 182052), (234, 122146), (314, 91026), (389, 73476), (468, 61073), (471, 60684), (628, 45513), (778, 36738), (942, 30342), (1167, 24492), (1413, 20228), (1556, 18369), (1884, 15171), (2041, 14004), (2334, 12246), (2826, 10114), (3501, 8164), (4082, 7002), (4668, 6123), (5057, 5652)]