28781522

素因数分解:

$2^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{26699}}^1$

素因数の和:26726

約数の個数: 24

約数和(自身を含む): 54788400

約数和(自身を除く): 26006878

約数列:

[1, 2, 7, 11, 14, 22, 49, 77, 98, 154, 539, 1078, 26699, 53398, 186893, 293689, 373786, 587378, 1308251, 2055823, 2616502, 4111646, 14390761, 28781522]

約数ペア:

[(1, 28781522), (2, 14390761), (7, 4111646), (11, 2616502), (14, 2055823), (22, 1308251), (49, 587378), (77, 373786), (98, 293689), (154, 186893), (539, 53398), (1078, 26699)]