311966772

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{401}}^1\times {\mathrm{4987}}^1$

素因数の和:5408

約数の個数: 48

約数和(自身を含む): 786028992

約数和(自身を除く): 474062220

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 401, 802, 1203, 1604, 2406, 4812, 4987, 5213, 9974, 10426, 14961, 15639, 19948, 20852, 29922, 31278, 59844, 62556, 64831, 129662, 194493, 259324, 388986, 777972, 1999787, 3999574, 5999361, 7999148, 11998722, 23997444, 25997231, 51994462, 77991693, 103988924, 155983386, 311966772]

約数ペア:

[(1, 311966772), (2, 155983386), (3, 103988924), (4, 77991693), (6, 51994462), (12, 25997231), (13, 23997444), (26, 11998722), (39, 7999148), (52, 5999361), (78, 3999574), (156, 1999787), (401, 777972), (802, 388986), (1203, 259324), (1604, 194493), (2406, 129662), (4812, 64831), (4987, 62556), (5213, 59844), (9974, 31278), (10426, 29922), (14961, 20852), (15639, 19948)]