78777972

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{173}}^1$

素因数の和:342

約数の個数: 144

約数和(自身を含む): 248277120

約数和(自身を除く): 169499148

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 13, 14, 18, 21, 26, 28, 36, 39, 42, 52, 63, 78, 84, 91, 117, 126, 139, 156, 173, 182, 234, 252, 273, 278, 346, 364, 417, 468, 519, 546, 556, 692, 819, 834, 973, 1038, 1092, 1211, 1251, 1557, 1638, 1668, 1807, 1946, 2076, 2249, 2422, 2502, 2919, 3114, 3276, 3614, 3633, 3892, 4498, 4844, 5004, 5421, 5838, 6228, 6747, 7228, 7266, 8757, 8996, 10842, 10899, 11676, 12649, 13494, 14532, 15743, 16263, 17514, 20241, 21684, 21798, 24047, 25298, 26988, 31486, 32526, 35028, 37947, 40482, 43596, 47229, 48094, 50596, 62972, 65052, 72141, 75894, 80964, 94458, 96188, 113841, 141687, 144282, 151788, 168329, 188916, 216423, 227682, 283374, 288564, 312611, 336658, 432846, 455364, 504987, 566748, 625222, 673316, 865692, 937833, 1009974, 1250444, 1514961, 1875666, 2019948, 2188277, 2813499, 3029922, 3751332, 4376554, 5626998, 6059844, 6564831, 8753108, 11253996, 13129662, 19694493, 26259324, 39388986, 78777972]

約数ペア:

[(1, 78777972), (2, 39388986), (3, 26259324), (4, 19694493), (6, 13129662), (7, 11253996), (9, 8753108), (12, 6564831), (13, 6059844), (14, 5626998), (18, 4376554), (21, 3751332), (26, 3029922), (28, 2813499), (36, 2188277), (39, 2019948), (42, 1875666), (52, 1514961), (63, 1250444), (78, 1009974), (84, 937833), (91, 865692), (117, 673316), (126, 625222), (139, 566748), (156, 504987), (173, 455364), (182, 432846), (234, 336658), (252, 312611), (273, 288564), (278, 283374), (346, 227682), (364, 216423), (417, 188916), (468, 168329), (519, 151788), (546, 144282), (556, 141687), (692, 113841), (819, 96188), (834, 94458), (973, 80964), (1038, 75894), (1092, 72141), (1211, 65052), (1251, 62972), (1557, 50596), (1638, 48094), (1668, 47229), (1807, 43596), (1946, 40482), (2076, 37947), (2249, 35028), (2422, 32526), (2502, 31486), (2919, 26988), (3114, 25298), (3276, 24047), (3614, 21798), (3633, 21684), (3892, 20241), (4498, 17514), (4844, 16263), (5004, 15743), (5421, 14532), (5838, 13494), (6228, 12649), (6747, 11676), (7228, 10899), (7266, 10842), (8757, 8996)]