71981954

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{97}}^1\times {\mathrm{379}}^1$

素因数の和:578

約数の個数: 32

約数和(自身を含む): 120657600

約数和(自身を除く): 48675646

約数列:

[1, 2, 11, 22, 89, 97, 178, 194, 379, 758, 979, 1067, 1958, 2134, 4169, 8338, 8633, 17266, 33731, 36763, 67462, 73526, 94963, 189926, 371041, 404393, 742082, 808786, 3271907, 6543814, 35990977, 71981954]

約数ペア:

[(1, 71981954), (2, 35990977), (11, 6543814), (22, 3271907), (89, 808786), (97, 742082), (178, 404393), (194, 371041), (379, 189926), (758, 94963), (979, 73526), (1067, 67462), (1958, 36763), (2134, 33731), (4169, 17266), (8338, 8633)]