215238208

素因数分解:

$2^6\times {\mathrm{31}}^1\times {\mathrm{157}}^1\times {\mathrm{691}}^1$

素因数の和:891

約数の個数: 56

約数和(自身を含む): 444341504

約数和(自身を除く): 229103296

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 157, 248, 314, 496, 628, 691, 992, 1256, 1382, 1984, 2512, 2764, 4867, 5024, 5528, 9734, 10048, 11056, 19468, 21421, 22112, 38936, 42842, 44224, 77872, 85684, 108487, 155744, 171368, 216974, 311488, 342736, 433948, 685472, 867896, 1370944, 1735792, 3363097, 3471584, 6726194, 6943168, 13452388, 26904776, 53809552, 107619104, 215238208]

約数ペア:

[(1, 215238208), (2, 107619104), (4, 53809552), (8, 26904776), (16, 13452388), (31, 6943168), (32, 6726194), (62, 3471584), (64, 3363097), (124, 1735792), (157, 1370944), (248, 867896), (314, 685472), (496, 433948), (628, 342736), (691, 311488), (992, 216974), (1256, 171368), (1382, 155744), (1984, 108487), (2512, 85684), (2764, 77872), (4867, 44224), (5024, 42842), (5528, 38936), (9734, 22112), (10048, 21421), (11056, 19468)]