87018085

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{317}}^1$

素因数の和:394

約数の個数: 64

約数和(自身を含む): 140673024

約数和(自身を除く): 53654939

約数列:

[1, 5, 7, 11, 23, 31, 35, 55, 77, 115, 155, 161, 217, 253, 317, 341, 385, 713, 805, 1085, 1265, 1585, 1705, 1771, 2219, 2387, 3487, 3565, 4991, 7291, 7843, 8855, 9827, 11095, 11935, 17435, 24409, 24955, 36455, 39215, 49135, 51037, 54901, 68789, 80201, 108097, 122045, 226021, 255185, 274505, 343945, 401005, 540485, 561407, 756679, 1130105, 1582147, 2486231, 2807035, 3783395, 7910735, 12431155, 17403617, 87018085]

約数ペア:

[(1, 87018085), (5, 17403617), (7, 12431155), (11, 7910735), (23, 3783395), (31, 2807035), (35, 2486231), (55, 1582147), (77, 1130105), (115, 756679), (155, 561407), (161, 540485), (217, 401005), (253, 343945), (317, 274505), (341, 255185), (385, 226021), (713, 122045), (805, 108097), (1085, 80201), (1265, 68789), (1585, 54901), (1705, 51037), (1771, 49135), (2219, 39215), (2387, 36455), (3487, 24955), (3565, 24409), (4991, 17435), (7291, 11935), (7843, 11095), (8855, 9827)]