890333423

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{197}}^1\times {\mathrm{353}}^1$

素因数の和:647

約数の個数: 32

約数和(自身を含む): 1076613120

約数和(自身を除く): 186279697

約数列:

[1, 7, 31, 59, 197, 217, 353, 413, 1379, 1829, 2471, 6107, 10943, 11623, 12803, 20827, 42749, 69541, 76601, 81361, 145789, 360313, 486787, 645637, 2155771, 2522191, 4102919, 4519459, 15090397, 28720433, 127190489, 890333423]

約数ペア:

[(1, 890333423), (7, 127190489), (31, 28720433), (59, 15090397), (197, 4519459), (217, 4102919), (353, 2522191), (413, 2155771), (1379, 645637), (1829, 486787), (2471, 360313), (6107, 145789), (10943, 81361), (11623, 76601), (12803, 69541), (20827, 42749)]