661875648

素因数分解:

$2^6\times 3^1\times 7^1\times {\mathrm{492467}}^1$

素因数の和:492489

約数の個数: 56

約数和(自身を含む): 2001389952

約数和(自身を除く): 1339514304

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 56, 64, 84, 96, 112, 168, 192, 224, 336, 448, 672, 1344, 492467, 984934, 1477401, 1969868, 2954802, 3447269, 3939736, 5909604, 6894538, 7879472, 10341807, 11819208, 13789076, 15758944, 20683614, 23638416, 27578152, 31517888, 41367228, 47276832, 55156304, 82734456, 94553664, 110312608, 165468912, 220625216, 330937824, 661875648]

約数ペア:

[(1, 661875648), (2, 330937824), (3, 220625216), (4, 165468912), (6, 110312608), (7, 94553664), (8, 82734456), (12, 55156304), (14, 47276832), (16, 41367228), (21, 31517888), (24, 27578152), (28, 23638416), (32, 20683614), (42, 15758944), (48, 13789076), (56, 11819208), (64, 10341807), (84, 7879472), (96, 6894538), (112, 5909604), (168, 3939736), (192, 3447269), (224, 2954802), (336, 1969868), (448, 1477401), (672, 984934), (1344, 492467)]