28388214

素因数分解:

$2^1\times 3^2\times {\mathrm{71}}^1\times {\mathrm{97}}^1\times {\mathrm{229}}^1$

素因数の和:405

約数の個数: 48

約数和(自身を含む): 63292320

約数和(自身を除く): 34904106

約数列:

[1, 2, 3, 6, 9, 18, 71, 97, 142, 194, 213, 229, 291, 426, 458, 582, 639, 687, 873, 1278, 1374, 1746, 2061, 4122, 6887, 13774, 16259, 20661, 22213, 32518, 41322, 44426, 48777, 61983, 66639, 97554, 123966, 133278, 146331, 199917, 292662, 399834, 1577123, 3154246, 4731369, 9462738, 14194107, 28388214]

約数ペア:

[(1, 28388214), (2, 14194107), (3, 9462738), (6, 4731369), (9, 3154246), (18, 1577123), (71, 399834), (97, 292662), (142, 199917), (194, 146331), (213, 133278), (229, 123966), (291, 97554), (426, 66639), (458, 61983), (582, 48777), (639, 44426), (687, 41322), (873, 32518), (1278, 22213), (1374, 20661), (1746, 16259), (2061, 13774), (4122, 6887)]