77790890

素因数分解:

$2^1\times 5^1\times {\mathrm{1409}}^1\times {\mathrm{5521}}^1$

素因数の和:6937

約数の個数: 16

約数和(自身を含む): 140148360

約数和(自身を除く): 62357470

約数列:

[1, 2, 5, 10, 1409, 2818, 5521, 7045, 11042, 14090, 27605, 55210, 7779089, 15558178, 38895445, 77790890]

約数ペア:

[(1, 77790890), (2, 38895445), (5, 15558178), (10, 7779089), (1409, 55210), (2818, 27605), (5521, 14090), (7045, 11042)]