16980488

素因数分解:

$2^3\times 7^1\times {\mathrm{89}}^1\times {\mathrm{3407}}^1$

素因数の和:3509

約数の個数: 32

約数和(自身を含む): 36806400

約数和(自身を除く): 19825912

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 89, 178, 356, 623, 712, 1246, 2492, 3407, 4984, 6814, 13628, 23849, 27256, 47698, 95396, 190792, 303223, 606446, 1212892, 2122561, 2425784, 4245122, 8490244, 16980488]

約数ペア:

[(1, 16980488), (2, 8490244), (4, 4245122), (7, 2425784), (8, 2122561), (14, 1212892), (28, 606446), (56, 303223), (89, 190792), (178, 95396), (356, 47698), (623, 27256), (712, 23849), (1246, 13628), (2492, 6814), (3407, 4984)]