161557256

素因数分解:

$2^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{223}}^1\times {\mathrm{761}}^1$

素因数の和:1014

約数の個数: 64

約数和(自身を含む): 368686080

約数和(自身を除く): 207128824

約数列:

[1, 2, 4, 7, 8, 14, 17, 28, 34, 56, 68, 119, 136, 223, 238, 446, 476, 761, 892, 952, 1522, 1561, 1784, 3044, 3122, 3791, 5327, 6088, 6244, 7582, 10654, 12488, 12937, 15164, 21308, 25874, 26537, 30328, 42616, 51748, 53074, 90559, 103496, 106148, 169703, 181118, 212296, 339406, 362236, 678812, 724472, 1187921, 1357624, 2375842, 2884951, 4751684, 5769902, 9503368, 11539804, 20194657, 23079608, 40389314, 80778628, 161557256]

約数ペア:

[(1, 161557256), (2, 80778628), (4, 40389314), (7, 23079608), (8, 20194657), (14, 11539804), (17, 9503368), (28, 5769902), (34, 4751684), (56, 2884951), (68, 2375842), (119, 1357624), (136, 1187921), (223, 724472), (238, 678812), (446, 362236), (476, 339406), (761, 212296), (892, 181118), (952, 169703), (1522, 106148), (1561, 103496), (1784, 90559), (3044, 53074), (3122, 51748), (3791, 42616), (5327, 30328), (6088, 26537), (6244, 25874), (7582, 21308), (10654, 15164), (12488, 12937)]