81641644

素因数分解:

$2^2\times 7^2\times {\mathrm{67}}^1\times {\mathrm{6217}}^1$

素因数の和:6302

約数の個数: 36

約数和(自身を含む): 168706776

約数和(自身を除く): 87065132

約数列:

[1, 2, 4, 7, 14, 28, 49, 67, 98, 134, 196, 268, 469, 938, 1876, 3283, 6217, 6566, 12434, 13132, 24868, 43519, 87038, 174076, 304633, 416539, 609266, 833078, 1218532, 1666156, 2915773, 5831546, 11663092, 20410411, 40820822, 81641644]

約数ペア:

[(1, 81641644), (2, 40820822), (4, 20410411), (7, 11663092), (14, 5831546), (28, 2915773), (49, 1666156), (67, 1218532), (98, 833078), (134, 609266), (196, 416539), (268, 304633), (469, 174076), (938, 87038), (1876, 43519), (3283, 24868), (6217, 13132), (6566, 12434)]