279421662

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{1583}}^1$

素因数の和:1705

約数の個数: 64

約数和(自身を含む): 630153216

約数和(自身を除く): 350731554

約数列:

[1, 2, 3, 6, 13, 26, 31, 39, 62, 73, 78, 93, 146, 186, 219, 403, 438, 806, 949, 1209, 1583, 1898, 2263, 2418, 2847, 3166, 4526, 4749, 5694, 6789, 9498, 13578, 20579, 29419, 41158, 49073, 58838, 61737, 88257, 98146, 115559, 123474, 147219, 176514, 231118, 294438, 346677, 637949, 693354, 1275898, 1502267, 1913847, 3004534, 3582329, 3827694, 4506801, 7164658, 9013602, 10746987, 21493974, 46570277, 93140554, 139710831, 279421662]

約数ペア:

[(1, 279421662), (2, 139710831), (3, 93140554), (6, 46570277), (13, 21493974), (26, 10746987), (31, 9013602), (39, 7164658), (62, 4506801), (73, 3827694), (78, 3582329), (93, 3004534), (146, 1913847), (186, 1502267), (219, 1275898), (403, 693354), (438, 637949), (806, 346677), (949, 294438), (1209, 231118), (1583, 176514), (1898, 147219), (2263, 123474), (2418, 115559), (2847, 98146), (3166, 88257), (4526, 61737), (4749, 58838), (5694, 49073), (6789, 41158), (9498, 29419), (13578, 20579)]