128855804

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{73}}^1\times {\mathrm{521}}^1$

素因数の和:627

約数の個数: 72

約数和(自身を含む): 287701344

約数和(自身を除く): 158845540

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 73, 77, 121, 146, 154, 242, 292, 308, 484, 511, 521, 803, 847, 1022, 1042, 1606, 1694, 2044, 2084, 3212, 3388, 3647, 5621, 5731, 7294, 8833, 11242, 11462, 14588, 17666, 22484, 22924, 35332, 38033, 40117, 61831, 63041, 76066, 80234, 123662, 126082, 152132, 160468, 247324, 252164, 266231, 418363, 441287, 532462, 836726, 882574, 1064924, 1673452, 1765148, 2928541, 4601993, 5857082, 9203986, 11714164, 18407972, 32213951, 64427902, 128855804]

約数ペア:

[(1, 128855804), (2, 64427902), (4, 32213951), (7, 18407972), (11, 11714164), (14, 9203986), (22, 5857082), (28, 4601993), (44, 2928541), (73, 1765148), (77, 1673452), (121, 1064924), (146, 882574), (154, 836726), (242, 532462), (292, 441287), (308, 418363), (484, 266231), (511, 252164), (521, 247324), (803, 160468), (847, 152132), (1022, 126082), (1042, 123662), (1606, 80234), (1694, 76066), (2044, 63041), (2084, 61831), (3212, 40117), (3388, 38033), (3647, 35332), (5621, 22924), (5731, 22484), (7294, 17666), (8833, 14588), (11242, 11462)]