991328870

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{569}}^1\times {\mathrm{24889}}^1$

素因数の和:25472

約数の個数: 32

約数和(自身を含む): 2042971200

約数和(自身を除く): 1051642330

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 569, 1138, 2845, 3983, 5690, 7966, 19915, 24889, 39830, 49778, 124445, 174223, 248890, 348446, 871115, 1742230, 14161841, 28323682, 70809205, 99132887, 141618410, 198265774, 495664435, 991328870]

約数ペア:

[(1, 991328870), (2, 495664435), (5, 198265774), (7, 141618410), (10, 99132887), (14, 70809205), (35, 28323682), (70, 14161841), (569, 1742230), (1138, 871115), (2845, 348446), (3983, 248890), (5690, 174223), (7966, 124445), (19915, 49778), (24889, 39830)]