221385136

素因数分解:

$2^4\times 7^2\times {\mathrm{31}}^1\times {\mathrm{9109}}^1$

素因数の和:9162

約数の個数: 60

約数和(自身を含む): 515115840

約数和(自身を除く): 293730704

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, 9109, 12152, 18218, 24304, 36436, 63763, 72872, 127526, 145744, 255052, 282379, 446341, 510104, 564758, 892682, 1020208, 1129516, 1785364, 1976653, 2259032, 3570728, 3953306, 4518064, 7141456, 7906612, 13836571, 15813224, 27673142, 31626448, 55346284, 110692568, 221385136]

約数ペア:

[(1, 221385136), (2, 110692568), (4, 55346284), (7, 31626448), (8, 27673142), (14, 15813224), (16, 13836571), (28, 7906612), (31, 7141456), (49, 4518064), (56, 3953306), (62, 3570728), (98, 2259032), (112, 1976653), (124, 1785364), (196, 1129516), (217, 1020208), (248, 892682), (392, 564758), (434, 510104), (496, 446341), (784, 282379), (868, 255052), (1519, 145744), (1736, 127526), (3038, 72872), (3472, 63763), (6076, 36436), (9109, 24304), (12152, 18218)]