215989648

素因数分解:

$2^4\times 7^2\times {\mathrm{31}}^1\times {\mathrm{8887}}^1$

素因数の和:8940

約数の個数: 60

約数和(自身を含む): 502563072

約数和(自身を除く): 286573424

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 49, 56, 62, 98, 112, 124, 196, 217, 248, 392, 434, 496, 784, 868, 1519, 1736, 3038, 3472, 6076, 8887, 12152, 17774, 24304, 35548, 62209, 71096, 124418, 142192, 248836, 275497, 435463, 497672, 550994, 870926, 995344, 1101988, 1741852, 1928479, 2203976, 3483704, 3856958, 4407952, 6967408, 7713916, 13499353, 15427832, 26998706, 30855664, 53997412, 107994824, 215989648]

約数ペア:

[(1, 215989648), (2, 107994824), (4, 53997412), (7, 30855664), (8, 26998706), (14, 15427832), (16, 13499353), (28, 7713916), (31, 6967408), (49, 4407952), (56, 3856958), (62, 3483704), (98, 2203976), (112, 1928479), (124, 1741852), (196, 1101988), (217, 995344), (248, 870926), (392, 550994), (434, 497672), (496, 435463), (784, 275497), (868, 248836), (1519, 142192), (1736, 124418), (3038, 71096), (3472, 62209), (6076, 35548), (8887, 24304), (12152, 17774)]