28069748

素因数分解:

$2^2\times 7^3\times {\mathrm{41}}^1\times {\mathrm{499}}^1$

素因数の和:565

約数の個数: 48

約数和(自身を含む): 58800000

約数和(自身を除く): 30730252

約数列:

[1, 2, 4, 7, 14, 28, 41, 49, 82, 98, 164, 196, 287, 343, 499, 574, 686, 998, 1148, 1372, 1996, 2009, 3493, 4018, 6986, 8036, 13972, 14063, 20459, 24451, 28126, 40918, 48902, 56252, 81836, 97804, 143213, 171157, 286426, 342314, 572852, 684628, 1002491, 2004982, 4009964, 7017437, 14034874, 28069748]

約数ペア:

[(1, 28069748), (2, 14034874), (4, 7017437), (7, 4009964), (14, 2004982), (28, 1002491), (41, 684628), (49, 572852), (82, 342314), (98, 286426), (164, 171157), (196, 143213), (287, 97804), (343, 81836), (499, 56252), (574, 48902), (686, 40918), (998, 28126), (1148, 24451), (1372, 20459), (1996, 14063), (2009, 13972), (3493, 8036), (4018, 6986)]