397777352

素因数分解:

$2^3\times 7^1\times {\mathrm{631}}^1\times {\mathrm{11257}}^1$

素因数の和:11901

約数の個数: 32

約数和(自身を含む): 853806720

約数和(自身を除く): 456029368

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 631, 1262, 2524, 4417, 5048, 8834, 11257, 17668, 22514, 35336, 45028, 78799, 90056, 157598, 315196, 630392, 7103167, 14206334, 28412668, 49722169, 56825336, 99444338, 198888676, 397777352]

約数ペア:

[(1, 397777352), (2, 198888676), (4, 99444338), (7, 56825336), (8, 49722169), (14, 28412668), (28, 14206334), (56, 7103167), (631, 630392), (1262, 315196), (2524, 157598), (4417, 90056), (5048, 78799), (8834, 45028), (11257, 35336), (17668, 22514)]