81390504

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{353}}^1\times {\mathrm{739}}^1$

素因数の和:1114

約数の個数: 64

約数和(自身を含む): 220046400

約数和(自身を除く): 138655896

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 312, 353, 706, 739, 1059, 1412, 1478, 2118, 2217, 2824, 2956, 4236, 4434, 4589, 5912, 8472, 8868, 9178, 9607, 13767, 17736, 18356, 19214, 27534, 28821, 36712, 38428, 55068, 57642, 76856, 110136, 115284, 230568, 260867, 521734, 782601, 1043468, 1565202, 2086936, 3130404, 3391271, 6260808, 6782542, 10173813, 13565084, 20347626, 27130168, 40695252, 81390504]

約数ペア:

[(1, 81390504), (2, 40695252), (3, 27130168), (4, 20347626), (6, 13565084), (8, 10173813), (12, 6782542), (13, 6260808), (24, 3391271), (26, 3130404), (39, 2086936), (52, 1565202), (78, 1043468), (104, 782601), (156, 521734), (312, 260867), (353, 230568), (706, 115284), (739, 110136), (1059, 76856), (1412, 57642), (1478, 55068), (2118, 38428), (2217, 36712), (2824, 28821), (2956, 27534), (4236, 19214), (4434, 18356), (4589, 17736), (5912, 13767), (8472, 9607), (8868, 9178)]