16641772

素因数分解:

$2^2\times 7^2\times {\mathrm{197}}^1\times {\mathrm{431}}^1$

素因数の和:646

約数の個数: 36

約数和(自身を含む): 34128864

約数和(自身を除く): 17487092

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 197, 394, 431, 788, 862, 1379, 1724, 2758, 3017, 5516, 6034, 9653, 12068, 19306, 21119, 38612, 42238, 84476, 84907, 169814, 339628, 594349, 1188698, 2377396, 4160443, 8320886, 16641772]

約数ペア:

[(1, 16641772), (2, 8320886), (4, 4160443), (7, 2377396), (14, 1188698), (28, 594349), (49, 339628), (98, 169814), (196, 84907), (197, 84476), (394, 42238), (431, 38612), (788, 21119), (862, 19306), (1379, 12068), (1724, 9653), (2758, 6034), (3017, 5516)]