4009964

素因数分解:

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

素因数の和:558

約数の個数: 36

約数和(自身を含む): 8379000

約数和(自身を除く): 4369036

約数列:

[1, 2, 4, 7, 14, 28, 41, 49, 82, 98, 164, 196, 287, 499, 574, 998, 1148, 1996, 2009, 3493, 4018, 6986, 8036, 13972, 20459, 24451, 40918, 48902, 81836, 97804, 143213, 286426, 572852, 1002491, 2004982, 4009964]

約数ペア:

[(1, 4009964), (2, 2004982), (4, 1002491), (7, 572852), (14, 286426), (28, 143213), (41, 97804), (49, 81836), (82, 48902), (98, 40918), (164, 24451), (196, 20459), (287, 13972), (499, 8036), (574, 6986), (998, 4018), (1148, 3493), (1996, 2009)]