71907976

素因数分解:

$2^3\times 7^1\times {\mathrm{643}}^1\times {\mathrm{1997}}^1$

素因数の和:2653

約数の個数: 32

約数和(自身を含む): 154405440

約数和(自身を除く): 82497464

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 643, 1286, 1997, 2572, 3994, 4501, 5144, 7988, 9002, 13979, 15976, 18004, 27958, 36008, 55916, 111832, 1284071, 2568142, 5136284, 8988497, 10272568, 17976994, 35953988, 71907976]

約数ペア:

[(1, 71907976), (2, 35953988), (4, 17976994), (7, 10272568), (8, 8988497), (14, 5136284), (28, 2568142), (56, 1284071), (643, 111832), (1286, 55916), (1997, 36008), (2572, 27958), (3994, 18004), (4501, 15976), (5144, 13979), (7988, 9002)]