81345108

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^2\times {\mathrm{40111}}^1$

素因数の和:40144

約数の個数: 36

約数和(自身を含む): 205533888

約数和(自身を除く): 124188780

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 169, 338, 507, 676, 1014, 2028, 40111, 80222, 120333, 160444, 240666, 481332, 521443, 1042886, 1564329, 2085772, 3128658, 6257316, 6778759, 13557518, 20336277, 27115036, 40672554, 81345108]

約数ペア:

[(1, 81345108), (2, 40672554), (3, 27115036), (4, 20336277), (6, 13557518), (12, 6778759), (13, 6257316), (26, 3128658), (39, 2085772), (52, 1564329), (78, 1042886), (156, 521443), (169, 481332), (338, 240666), (507, 160444), (676, 120333), (1014, 80222), (2028, 40111)]