208501810

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{83}}^1\times {\mathrm{557}}^1$

素因数の和:699

約数の個数: 64

約数和(自身を含む): 425222784

約数和(自身を除く): 216720974

約数列:

[1, 2, 5, 10, 11, 22, 41, 55, 82, 83, 110, 166, 205, 410, 415, 451, 557, 830, 902, 913, 1114, 1826, 2255, 2785, 3403, 4510, 4565, 5570, 6127, 6806, 9130, 12254, 17015, 22837, 30635, 34030, 37433, 45674, 46231, 61270, 74866, 92462, 114185, 187165, 228370, 231155, 251207, 374330, 462310, 502414, 508541, 1017082, 1256035, 1895471, 2512070, 2542705, 3790942, 5085410, 9477355, 18954710, 20850181, 41700362, 104250905, 208501810]

約数ペア:

[(1, 208501810), (2, 104250905), (5, 41700362), (10, 20850181), (11, 18954710), (22, 9477355), (41, 5085410), (55, 3790942), (82, 2542705), (83, 2512070), (110, 1895471), (166, 1256035), (205, 1017082), (410, 508541), (415, 502414), (451, 462310), (557, 374330), (830, 251207), (902, 231155), (913, 228370), (1114, 187165), (1826, 114185), (2255, 92462), (2785, 74866), (3403, 61270), (4510, 46231), (4565, 45674), (5570, 37433), (6127, 34030), (6806, 30635), (9130, 22837), (12254, 17015)]