221124530

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{1231}}^1$

素因数の和:1343

約数の個数: 64

約数和(自身を含む): 459841536

約数和(自身を除く): 238717006

約数列:

[1, 2, 5, 10, 11, 22, 23, 46, 55, 71, 110, 115, 142, 230, 253, 355, 506, 710, 781, 1231, 1265, 1562, 1633, 2462, 2530, 3266, 3905, 6155, 7810, 8165, 12310, 13541, 16330, 17963, 27082, 28313, 35926, 56626, 67705, 87401, 89815, 135410, 141565, 174802, 179630, 283130, 311443, 437005, 622886, 874010, 961411, 1557215, 1922822, 2010223, 3114430, 4020446, 4807055, 9614110, 10051115, 20102230, 22112453, 44224906, 110562265, 221124530]

約数ペア:

[(1, 221124530), (2, 110562265), (5, 44224906), (10, 22112453), (11, 20102230), (22, 10051115), (23, 9614110), (46, 4807055), (55, 4020446), (71, 3114430), (110, 2010223), (115, 1922822), (142, 1557215), (230, 961411), (253, 874010), (355, 622886), (506, 437005), (710, 311443), (781, 283130), (1231, 179630), (1265, 174802), (1562, 141565), (1633, 135410), (2462, 89815), (2530, 87401), (3266, 67705), (3905, 56626), (6155, 35926), (7810, 28313), (8165, 27082), (12310, 17963), (13541, 16330)]