216489790

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{631}}^1\times {\mathrm{3119}}^1$

素因数の和:3768

約数の個数: 32

約数和(自身を含む): 425917440

約数和(自身を除く): 209427650

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 631, 1262, 3119, 3155, 6238, 6310, 6941, 13882, 15595, 31190, 34309, 34705, 68618, 69410, 171545, 343090, 1968089, 3936178, 9840445, 19680890, 21648979, 43297958, 108244895, 216489790]

約数ペア:

[(1, 216489790), (2, 108244895), (5, 43297958), (10, 21648979), (11, 19680890), (22, 9840445), (55, 3936178), (110, 1968089), (631, 343090), (1262, 171545), (3119, 69410), (3155, 68618), (6238, 34705), (6310, 34309), (6941, 31190), (13882, 15595)]