197999816

素因数分解:

$2^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{241}}^1\times {\mathrm{863}}^1$

素因数の和:1134

約数の個数: 64

約数和(自身を含む): 451630080

約数和(自身を除く): 253630264

約数列:

[1, 2, 4, 7, 8, 14, 17, 28, 34, 56, 68, 119, 136, 238, 241, 476, 482, 863, 952, 964, 1687, 1726, 1928, 3374, 3452, 4097, 6041, 6748, 6904, 8194, 12082, 13496, 14671, 16388, 24164, 28679, 29342, 32776, 48328, 57358, 58684, 102697, 114716, 117368, 205394, 207983, 229432, 410788, 415966, 821576, 831932, 1455881, 1663864, 2911762, 3535711, 5823524, 7071422, 11647048, 14142844, 24749977, 28285688, 49499954, 98999908, 197999816]

約数ペア:

[(1, 197999816), (2, 98999908), (4, 49499954), (7, 28285688), (8, 24749977), (14, 14142844), (17, 11647048), (28, 7071422), (34, 5823524), (56, 3535711), (68, 2911762), (119, 1663864), (136, 1455881), (238, 831932), (241, 821576), (476, 415966), (482, 410788), (863, 229432), (952, 207983), (964, 205394), (1687, 117368), (1726, 114716), (1928, 102697), (3374, 58684), (3452, 57358), (4097, 48328), (6041, 32776), (6748, 29342), (6904, 28679), (8194, 24164), (12082, 16388), (13496, 14671)]