818689356

素因数分解:

$2^2\times 3^5\times {\mathrm{71}}^1\times {\mathrm{11863}}^1$

素因数の和:11953

約数の個数: 72

約数和(自身を含む): 2176521984

約数和(自身を除く): 1357832628

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 71, 81, 108, 142, 162, 213, 243, 284, 324, 426, 486, 639, 852, 972, 1278, 1917, 2556, 3834, 5751, 7668, 11502, 11863, 17253, 23004, 23726, 34506, 35589, 47452, 69012, 71178, 106767, 142356, 213534, 320301, 427068, 640602, 842273, 960903, 1281204, 1684546, 1921806, 2526819, 2882709, 3369092, 3843612, 5053638, 5765418, 7580457, 10107276, 11530836, 15160914, 22741371, 30321828, 45482742, 68224113, 90965484, 136448226, 204672339, 272896452, 409344678, 818689356]

約数ペア:

[(1, 818689356), (2, 409344678), (3, 272896452), (4, 204672339), (6, 136448226), (9, 90965484), (12, 68224113), (18, 45482742), (27, 30321828), (36, 22741371), (54, 15160914), (71, 11530836), (81, 10107276), (108, 7580457), (142, 5765418), (162, 5053638), (213, 3843612), (243, 3369092), (284, 2882709), (324, 2526819), (426, 1921806), (486, 1684546), (639, 1281204), (852, 960903), (972, 842273), (1278, 640602), (1917, 427068), (2556, 320301), (3834, 213534), (5751, 142356), (7668, 106767), (11502, 71178), (11863, 69012), (17253, 47452), (23004, 35589), (23726, 34506)]