161428656

素因数分解:

$2^4\times 3^1\times {\mathrm{31}}^1\times {\mathrm{157}}^1\times {\mathrm{691}}^1$

素因数の和:890

約数の個数: 80

約数和(自身を含む): 433845248

約数和(自身を除く): 272416592

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 31, 48, 62, 93, 124, 157, 186, 248, 314, 372, 471, 496, 628, 691, 744, 942, 1256, 1382, 1488, 1884, 2073, 2512, 2764, 3768, 4146, 4867, 5528, 7536, 8292, 9734, 11056, 14601, 16584, 19468, 21421, 29202, 33168, 38936, 42842, 58404, 64263, 77872, 85684, 108487, 116808, 128526, 171368, 216974, 233616, 257052, 325461, 342736, 433948, 514104, 650922, 867896, 1028208, 1301844, 1735792, 2603688, 3363097, 5207376, 6726194, 10089291, 13452388, 20178582, 26904776, 40357164, 53809552, 80714328, 161428656]

約数ペア:

[(1, 161428656), (2, 80714328), (3, 53809552), (4, 40357164), (6, 26904776), (8, 20178582), (12, 13452388), (16, 10089291), (24, 6726194), (31, 5207376), (48, 3363097), (62, 2603688), (93, 1735792), (124, 1301844), (157, 1028208), (186, 867896), (248, 650922), (314, 514104), (372, 433948), (471, 342736), (496, 325461), (628, 257052), (691, 233616), (744, 216974), (942, 171368), (1256, 128526), (1382, 116808), (1488, 108487), (1884, 85684), (2073, 77872), (2512, 64263), (2764, 58404), (3768, 42842), (4146, 38936), (4867, 33168), (5528, 29202), (7536, 21421), (8292, 19468), (9734, 16584), (11056, 14601)]