31016816

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{257}}^1\times {\mathrm{397}}^1$

素因数の和:681

約数の個数: 40

約数和(自身を含む): 63664080

約数和(自身を除く): 32647264

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 257, 304, 397, 514, 794, 1028, 1588, 2056, 3176, 4112, 4883, 6352, 7543, 9766, 15086, 19532, 30172, 39064, 60344, 78128, 102029, 120688, 204058, 408116, 816232, 1632464, 1938551, 3877102, 7754204, 15508408, 31016816]

約数ペア:

[(1, 31016816), (2, 15508408), (4, 7754204), (8, 3877102), (16, 1938551), (19, 1632464), (38, 816232), (76, 408116), (152, 204058), (257, 120688), (304, 102029), (397, 78128), (514, 60344), (794, 39064), (1028, 30172), (1588, 19532), (2056, 15086), (3176, 9766), (4112, 7543), (4883, 6352)]