247081408

素因数分解:

$2^6\times 7^1\times {\mathrm{31}}^1\times {\mathrm{17791}}^1$

素因数の和:17841

約数の個数: 56

約数和(自身を含む): 578453504

約数和(自身を除く): 331372096

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 32, 56, 62, 64, 112, 124, 217, 224, 248, 434, 448, 496, 868, 992, 1736, 1984, 3472, 6944, 13888, 17791, 35582, 71164, 124537, 142328, 249074, 284656, 498148, 551521, 569312, 996296, 1103042, 1138624, 1992592, 2206084, 3860647, 3985184, 4412168, 7721294, 7970368, 8824336, 15442588, 17648672, 30885176, 35297344, 61770352, 123540704, 247081408]

約数ペア:

[(1, 247081408), (2, 123540704), (4, 61770352), (7, 35297344), (8, 30885176), (14, 17648672), (16, 15442588), (28, 8824336), (31, 7970368), (32, 7721294), (56, 4412168), (62, 3985184), (64, 3860647), (112, 2206084), (124, 1992592), (217, 1138624), (224, 1103042), (248, 996296), (434, 569312), (448, 551521), (496, 498148), (868, 284656), (992, 249074), (1736, 142328), (1984, 124537), (3472, 71164), (6944, 35582), (13888, 17791)]