12749990

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{3739}}^1$

素因数の和:3788

約数の個数: 32

約数和(自身を含む): 25850880

約数和(自身を除く): 13100890

約数列:

[1, 2, 5, 10, 11, 22, 31, 55, 62, 110, 155, 310, 341, 682, 1705, 3410, 3739, 7478, 18695, 37390, 41129, 82258, 115909, 205645, 231818, 411290, 579545, 1159090, 1274999, 2549998, 6374995, 12749990]

約数ペア:

[(1, 12749990), (2, 6374995), (5, 2549998), (10, 1274999), (11, 1159090), (22, 579545), (31, 411290), (55, 231818), (62, 205645), (110, 115909), (155, 82258), (310, 41129), (341, 37390), (682, 18695), (1705, 7478), (3410, 3739)]