90718870

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{631}}^1\times {\mathrm{1307}}^1$

素因数の和:1956

約数の個数: 32

約数和(自身を含む): 178557696

約数和(自身を除く): 87838826

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 631, 1262, 1307, 2614, 3155, 6310, 6535, 6941, 13070, 13882, 14377, 28754, 34705, 69410, 71885, 143770, 824717, 1649434, 4123585, 8247170, 9071887, 18143774, 45359435, 90718870]

約数ペア:

[(1, 90718870), (2, 45359435), (5, 18143774), (10, 9071887), (11, 8247170), (22, 4123585), (55, 1649434), (110, 824717), (631, 143770), (1262, 71885), (1307, 69410), (2614, 34705), (3155, 28754), (6310, 14377), (6535, 13882), (6941, 13070)]