71329518

素因数分解:

$2^1\times 3^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{139}}^1$

素因数の和:223

約数の個数: 128

約数和(自身を含む): 186278400

約数和(自身を除く): 114948882

約数列:

[1, 2, 3, 6, 9, 13, 17, 18, 26, 27, 34, 39, 43, 51, 54, 78, 86, 102, 117, 129, 139, 153, 221, 234, 258, 278, 306, 351, 387, 417, 442, 459, 559, 663, 702, 731, 774, 834, 918, 1118, 1161, 1251, 1326, 1462, 1677, 1807, 1989, 2193, 2322, 2363, 2502, 3354, 3614, 3753, 3978, 4386, 4726, 5031, 5421, 5967, 5977, 6579, 7089, 7506, 9503, 10062, 10842, 11934, 11954, 13158, 14178, 15093, 16263, 17931, 19006, 19737, 21267, 28509, 30186, 30719, 32526, 35862, 39474, 42534, 48789, 53793, 57018, 61438, 63801, 77701, 85527, 92157, 97578, 101609, 107586, 127602, 155402, 161379, 171054, 184314, 203218, 233103, 256581, 276471, 304827, 322758, 466206, 513162, 552942, 609654, 699309, 829413, 914481, 1320917, 1398618, 1658826, 1828962, 2097927, 2641834, 2743443, 3962751, 4195854, 5486886, 7925502, 11888253, 23776506, 35664759, 71329518]

約数ペア:

[(1, 71329518), (2, 35664759), (3, 23776506), (6, 11888253), (9, 7925502), (13, 5486886), (17, 4195854), (18, 3962751), (26, 2743443), (27, 2641834), (34, 2097927), (39, 1828962), (43, 1658826), (51, 1398618), (54, 1320917), (78, 914481), (86, 829413), (102, 699309), (117, 609654), (129, 552942), (139, 513162), (153, 466206), (221, 322758), (234, 304827), (258, 276471), (278, 256581), (306, 233103), (351, 203218), (387, 184314), (417, 171054), (442, 161379), (459, 155402), (559, 127602), (663, 107586), (702, 101609), (731, 97578), (774, 92157), (834, 85527), (918, 77701), (1118, 63801), (1161, 61438), (1251, 57018), (1326, 53793), (1462, 48789), (1677, 42534), (1807, 39474), (1989, 35862), (2193, 32526), (2322, 30719), (2363, 30186), (2502, 28509), (3354, 21267), (3614, 19737), (3753, 19006), (3978, 17931), (4386, 16263), (4726, 15093), (5031, 14178), (5421, 13158), (5967, 11954), (5977, 11934), (6579, 10842), (7089, 10062), (7506, 9503)]