71898138

素因数分解:

$2^1\times 3^3\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{73}}^1$

素因数の和:181

約数の個数: 128

約数和(自身を含む): 184988160

約数和(自身を除く): 113090022

約数列:

[1, 2, 3, 6, 9, 13, 18, 23, 26, 27, 39, 46, 54, 61, 69, 73, 78, 117, 122, 138, 146, 183, 207, 219, 234, 299, 351, 366, 414, 438, 549, 598, 621, 657, 702, 793, 897, 949, 1098, 1242, 1314, 1403, 1586, 1647, 1679, 1794, 1898, 1971, 2379, 2691, 2806, 2847, 3294, 3358, 3942, 4209, 4453, 4758, 5037, 5382, 5694, 7137, 8073, 8418, 8541, 8906, 10074, 12627, 13359, 14274, 15111, 16146, 17082, 18239, 21411, 21827, 25254, 25623, 26718, 30222, 36478, 37881, 40077, 42822, 43654, 45333, 51246, 54717, 57889, 65481, 75762, 80154, 90666, 102419, 109434, 115778, 120231, 130962, 164151, 173667, 196443, 204838, 240462, 307257, 328302, 347334, 392886, 492453, 521001, 589329, 614514, 921771, 984906, 1042002, 1178658, 1331447, 1563003, 1843542, 2662894, 2765313, 3126006, 3994341, 5530626, 7988682, 11983023, 23966046, 35949069, 71898138]

約数ペア:

[(1, 71898138), (2, 35949069), (3, 23966046), (6, 11983023), (9, 7988682), (13, 5530626), (18, 3994341), (23, 3126006), (26, 2765313), (27, 2662894), (39, 1843542), (46, 1563003), (54, 1331447), (61, 1178658), (69, 1042002), (73, 984906), (78, 921771), (117, 614514), (122, 589329), (138, 521001), (146, 492453), (183, 392886), (207, 347334), (219, 328302), (234, 307257), (299, 240462), (351, 204838), (366, 196443), (414, 173667), (438, 164151), (549, 130962), (598, 120231), (621, 115778), (657, 109434), (702, 102419), (793, 90666), (897, 80154), (949, 75762), (1098, 65481), (1242, 57889), (1314, 54717), (1403, 51246), (1586, 45333), (1647, 43654), (1679, 42822), (1794, 40077), (1898, 37881), (1971, 36478), (2379, 30222), (2691, 26718), (2806, 25623), (2847, 25254), (3294, 21827), (3358, 21411), (3942, 18239), (4209, 17082), (4453, 16146), (4758, 15111), (5037, 14274), (5382, 13359), (5694, 12627), (7137, 10074), (8073, 8906), (8418, 8541)]