487894337

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{113}}^1\times {\mathrm{197}}^1$

素因数の和:449

約数の個数: 32

約数和(自身を含む): 589400064

約数和(自身を除く): 101505727

約数列:

[1, 7, 31, 101, 113, 197, 217, 707, 791, 1379, 3131, 3503, 6107, 11413, 19897, 21917, 22261, 24521, 42749, 79891, 139279, 155827, 353803, 616807, 690091, 2248361, 2476621, 4317649, 4830637, 15738527, 69699191, 487894337]

約数ペア:

[(1, 487894337), (7, 69699191), (31, 15738527), (101, 4830637), (113, 4317649), (197, 2476621), (217, 2248361), (707, 690091), (791, 616807), (1379, 353803), (3131, 155827), (3503, 139279), (6107, 79891), (11413, 42749), (19897, 24521), (21917, 22261)]