78706908

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{83}}^1$

素因数の和:224

約数の個数: 144

約数和(自身を含む): 237758976

約数和(自身を除く): 159052068

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 53, 63, 71, 83, 84, 106, 126, 142, 159, 166, 212, 213, 249, 252, 284, 318, 332, 371, 426, 477, 497, 498, 581, 636, 639, 742, 747, 852, 954, 994, 996, 1113, 1162, 1278, 1484, 1491, 1494, 1743, 1908, 1988, 2226, 2324, 2556, 2982, 2988, 3339, 3486, 3763, 4399, 4452, 4473, 5229, 5893, 5964, 6678, 6972, 7526, 8798, 8946, 10458, 11289, 11786, 13197, 13356, 15052, 17596, 17679, 17892, 20916, 22578, 23572, 26341, 26394, 30793, 33867, 35358, 39591, 41251, 45156, 52682, 52788, 53037, 61586, 67734, 70716, 79023, 79182, 82502, 92379, 105364, 106074, 123172, 123753, 135468, 158046, 158364, 165004, 184758, 212148, 237069, 247506, 277137, 312329, 316092, 369516, 371259, 474138, 495012, 554274, 624658, 742518, 936987, 948276, 1108548, 1249316, 1485036, 1873974, 2186303, 2810961, 3747948, 4372606, 5621922, 6558909, 8745212, 11243844, 13117818, 19676727, 26235636, 39353454, 78706908]

約数ペア:

[(1, 78706908), (2, 39353454), (3, 26235636), (4, 19676727), (6, 13117818), (7, 11243844), (9, 8745212), (12, 6558909), (14, 5621922), (18, 4372606), (21, 3747948), (28, 2810961), (36, 2186303), (42, 1873974), (53, 1485036), (63, 1249316), (71, 1108548), (83, 948276), (84, 936987), (106, 742518), (126, 624658), (142, 554274), (159, 495012), (166, 474138), (212, 371259), (213, 369516), (249, 316092), (252, 312329), (284, 277137), (318, 247506), (332, 237069), (371, 212148), (426, 184758), (477, 165004), (497, 158364), (498, 158046), (581, 135468), (636, 123753), (639, 123172), (742, 106074), (747, 105364), (852, 92379), (954, 82502), (994, 79182), (996, 79023), (1113, 70716), (1162, 67734), (1278, 61586), (1484, 53037), (1491, 52788), (1494, 52682), (1743, 45156), (1908, 41251), (1988, 39591), (2226, 35358), (2324, 33867), (2556, 30793), (2982, 26394), (2988, 26341), (3339, 23572), (3486, 22578), (3763, 20916), (4399, 17892), (4452, 17679), (4473, 17596), (5229, 15052), (5893, 13356), (5964, 13197), (6678, 11786), (6972, 11289), (7526, 10458), (8798, 8946)]