2019949547

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{61}}^1\times {\mathrm{197}}^1$

素因数の和:372

約数の個数: 64

約数和(自身を含む): 2686970880

約数和(自身を除く): 667021333

約数列:

[1, 7, 11, 37, 59, 61, 77, 197, 259, 407, 413, 427, 649, 671, 1379, 2167, 2183, 2257, 2849, 3599, 4543, 4697, 7289, 11623, 12017, 15169, 15281, 15799, 24013, 24827, 25193, 39589, 51023, 80179, 81361, 84119, 127853, 132187, 133163, 168091, 173789, 277123, 430051, 444629, 561253, 709003, 894971, 925309, 932141, 1464793, 3010357, 3112403, 4730561, 4890919, 4963021, 7799033, 10253551, 26233111, 33113927, 34236433, 54593231, 183631777, 288564221, 2019949547]

約数ペア:

[(1, 2019949547), (7, 288564221), (11, 183631777), (37, 54593231), (59, 34236433), (61, 33113927), (77, 26233111), (197, 10253551), (259, 7799033), (407, 4963021), (413, 4890919), (427, 4730561), (649, 3112403), (671, 3010357), (1379, 1464793), (2167, 932141), (2183, 925309), (2257, 894971), (2849, 709003), (3599, 561253), (4543, 444629), (4697, 430051), (7289, 277123), (11623, 173789), (12017, 168091), (15169, 133163), (15281, 132187), (15799, 127853), (24013, 84119), (24827, 81361), (25193, 80179), (39589, 51023)]