81678714

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^2\times {\mathrm{109}}^1\times {\mathrm{739}}^1$

素因数の和:879

約数の個数: 48

約数和(自身を含む): 178754400

約数和(自身を除く): 97075686

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 109, 169, 218, 327, 338, 507, 654, 739, 1014, 1417, 1478, 2217, 2834, 4251, 4434, 8502, 9607, 18421, 19214, 28821, 36842, 55263, 57642, 80551, 110526, 124891, 161102, 241653, 249782, 374673, 483306, 749346, 1047163, 2094326, 3141489, 6282978, 13613119, 27226238, 40839357, 81678714]

約数ペア:

[(1, 81678714), (2, 40839357), (3, 27226238), (6, 13613119), (13, 6282978), (26, 3141489), (39, 2094326), (78, 1047163), (109, 749346), (169, 483306), (218, 374673), (327, 249782), (338, 241653), (507, 161102), (654, 124891), (739, 110526), (1014, 80551), (1417, 57642), (1478, 55263), (2217, 36842), (2834, 28821), (4251, 19214), (4434, 18421), (8502, 9607)]