655087216

素因数分解:

$2^4\times 7^1\times {\mathrm{113}}^1\times {\mathrm{191}}^1\times {\mathrm{271}}^1$

素因数の和:590

約数の個数: 80

約数和(自身を含む): 1476476928

約数和(自身を除く): 821389712

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 113, 191, 226, 271, 382, 452, 542, 764, 791, 904, 1084, 1337, 1528, 1582, 1808, 1897, 2168, 2674, 3056, 3164, 3794, 4336, 5348, 6328, 7588, 10696, 12656, 15176, 21392, 21583, 30352, 30623, 43166, 51761, 61246, 86332, 103522, 122492, 151081, 172664, 207044, 214361, 244984, 302162, 345328, 362327, 414088, 428722, 489968, 604324, 724654, 828176, 857444, 1208648, 1449308, 1714888, 2417296, 2898616, 3429776, 5797232, 5848993, 11697986, 23395972, 40942951, 46791944, 81885902, 93583888, 163771804, 327543608, 655087216]

約数ペア:

[(1, 655087216), (2, 327543608), (4, 163771804), (7, 93583888), (8, 81885902), (14, 46791944), (16, 40942951), (28, 23395972), (56, 11697986), (112, 5848993), (113, 5797232), (191, 3429776), (226, 2898616), (271, 2417296), (382, 1714888), (452, 1449308), (542, 1208648), (764, 857444), (791, 828176), (904, 724654), (1084, 604324), (1337, 489968), (1528, 428722), (1582, 414088), (1808, 362327), (1897, 345328), (2168, 302162), (2674, 244984), (3056, 214361), (3164, 207044), (3794, 172664), (4336, 151081), (5348, 122492), (6328, 103522), (7588, 86332), (10696, 61246), (12656, 51761), (15176, 43166), (21392, 30623), (21583, 30352)]