80941278

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{751}}^1$

素因数の和:861

約数の個数: 64

約数和(自身を含む): 187121664

約数和(自身を除く): 106180386

約数列:

[1, 2, 3, 6, 11, 22, 23, 33, 46, 66, 69, 71, 138, 142, 213, 253, 426, 506, 751, 759, 781, 1502, 1518, 1562, 1633, 2253, 2343, 3266, 4506, 4686, 4899, 8261, 9798, 16522, 17273, 17963, 24783, 34546, 35926, 49566, 51819, 53321, 53889, 103638, 106642, 107778, 159963, 190003, 319926, 380006, 570009, 586531, 1140018, 1173062, 1226383, 1759593, 2452766, 3519186, 3679149, 7358298, 13490213, 26980426, 40470639, 80941278]

約数ペア:

[(1, 80941278), (2, 40470639), (3, 26980426), (6, 13490213), (11, 7358298), (22, 3679149), (23, 3519186), (33, 2452766), (46, 1759593), (66, 1226383), (69, 1173062), (71, 1140018), (138, 586531), (142, 570009), (213, 380006), (253, 319926), (426, 190003), (506, 159963), (751, 107778), (759, 106642), (781, 103638), (1502, 53889), (1518, 53321), (1562, 51819), (1633, 49566), (2253, 35926), (2343, 34546), (3266, 24783), (4506, 17963), (4686, 17273), (4899, 16522), (8261, 9798)]