318593855

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{307}}^1\times {\mathrm{421}}^1$

素因数の和:779

約数の個数: 32

約数和(自身を含む): 421122240

約数和(自身を除く): 102528385

約数列:

[1, 5, 17, 29, 85, 145, 307, 421, 493, 1535, 2105, 2465, 5219, 7157, 8903, 12209, 26095, 35785, 44515, 61045, 129247, 151351, 207553, 646235, 756755, 1037765, 2197199, 3748163, 10985995, 18740815, 63718771, 318593855]

約数ペア:

[(1, 318593855), (5, 63718771), (17, 18740815), (29, 10985995), (85, 3748163), (145, 2197199), (307, 1037765), (421, 756755), (493, 646235), (1535, 207553), (2105, 151351), (2465, 129247), (5219, 61045), (7157, 44515), (8903, 35785), (12209, 26095)]