20161225168

素因数分解:

$2^4\times 7^1\times {\mathrm{61}}^1\times {\mathrm{2950999}}^1$

素因数の和:2951075

約数の個数: 40

約数和(自身を含む): 45374576000

約数和(自身を除く): 25213350832

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 61, 112, 122, 244, 427, 488, 854, 976, 1708, 3416, 6832, 2950999, 5901998, 11803996, 20656993, 23607992, 41313986, 47215984, 82627972, 165255944, 180010939, 330511888, 360021878, 720043756, 1260076573, 1440087512, 2520153146, 2880175024, 5040306292, 10080612584, 20161225168]

約数ペア:

[(1, 20161225168), (2, 10080612584), (4, 5040306292), (7, 2880175024), (8, 2520153146), (14, 1440087512), (16, 1260076573), (28, 720043756), (56, 360021878), (61, 330511888), (112, 180010939), (122, 165255944), (244, 82627972), (427, 47215984), (488, 41313986), (854, 23607992), (976, 20656993), (1708, 11803996), (3416, 5901998), (6832, 2950999)]