490453019

素因数分解:

$7^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{149}}^1\times {\mathrm{179}}^1$

素因数の和:443

約数の個数: 32

約数和(自身を含む): 590976000

約数和(自身を除く): 100522981

約数列:

[1, 7, 37, 71, 149, 179, 259, 497, 1043, 1253, 2627, 5513, 6623, 10579, 12709, 18389, 26671, 38591, 46361, 74053, 88963, 186697, 391423, 470233, 986827, 1893641, 2739961, 3291631, 6907789, 13255487, 70064717, 490453019]

約数ペア:

[(1, 490453019), (7, 70064717), (37, 13255487), (71, 6907789), (149, 3291631), (179, 2739961), (259, 1893641), (497, 986827), (1043, 470233), (1253, 391423), (2627, 186697), (5513, 88963), (6623, 74053), (10579, 46361), (12709, 38591), (18389, 26671)]