28167972

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{4723}}^1$

素因数の和:4808

約数の個数: 48

約数和(自身を含む): 76188672

約数和(自身を除く): 48020700

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 71, 84, 142, 213, 284, 426, 497, 852, 994, 1491, 1988, 2982, 4723, 5964, 9446, 14169, 18892, 28338, 33061, 56676, 66122, 99183, 132244, 198366, 335333, 396732, 670666, 1005999, 1341332, 2011998, 2347331, 4023996, 4694662, 7041993, 9389324, 14083986, 28167972]

約数ペア:

[(1, 28167972), (2, 14083986), (3, 9389324), (4, 7041993), (6, 4694662), (7, 4023996), (12, 2347331), (14, 2011998), (21, 1341332), (28, 1005999), (42, 670666), (71, 396732), (84, 335333), (142, 198366), (213, 132244), (284, 99183), (426, 66122), (497, 56676), (852, 33061), (994, 28338), (1491, 18892), (1988, 14169), (2982, 9446), (4723, 5964)]