66687971

素因数分解:

$7^2\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{1259}}^1$

素因数の和:1343

約数の個数: 24

約数和(自身を含む): 82736640

約数和(自身を除く): 16048669

約数列:

[1, 7, 23, 47, 49, 161, 329, 1081, 1127, 1259, 2303, 7567, 8813, 28957, 52969, 59173, 61691, 202699, 414211, 1360979, 1418893, 2899477, 9526853, 66687971]

約数ペア:

[(1, 66687971), (7, 9526853), (23, 2899477), (47, 1418893), (49, 1360979), (161, 414211), (329, 202699), (1081, 61691), (1127, 59173), (1259, 52969), (2303, 28957), (7567, 8813)]