161991872

素因数分解:

$2^6\times 7^1\times {\mathrm{19}}^1\times {\mathrm{19031}}^1$

素因数の和:19069

約数の個数: 56

約数和(自身を含む): 386730240

約数和(自身を除く): 224738368

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 32, 38, 56, 64, 76, 112, 133, 152, 224, 266, 304, 448, 532, 608, 1064, 1216, 2128, 4256, 8512, 19031, 38062, 76124, 133217, 152248, 266434, 304496, 361589, 532868, 608992, 723178, 1065736, 1217984, 1446356, 2131472, 2531123, 2892712, 4262944, 5062246, 5785424, 8525888, 10124492, 11570848, 20248984, 23141696, 40497968, 80995936, 161991872]

約数ペア:

[(1, 161991872), (2, 80995936), (4, 40497968), (7, 23141696), (8, 20248984), (14, 11570848), (16, 10124492), (19, 8525888), (28, 5785424), (32, 5062246), (38, 4262944), (56, 2892712), (64, 2531123), (76, 2131472), (112, 1446356), (133, 1217984), (152, 1065736), (224, 723178), (266, 608992), (304, 532868), (448, 361589), (532, 304496), (608, 266434), (1064, 152248), (1216, 133217), (2128, 76124), (4256, 38062), (8512, 19031)]