213413868

素因数分解:

$2^2\times 3^2\times {\mathrm{61}}^1\times {\mathrm{157}}^1\times {\mathrm{619}}^1$

素因数の和:847

約数の個数: 72

約数和(自身を含む): 552690320

約数和(自身を除く): 339276452

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 61, 122, 157, 183, 244, 314, 366, 471, 549, 619, 628, 732, 942, 1098, 1238, 1413, 1857, 1884, 2196, 2476, 2826, 3714, 5571, 5652, 7428, 9577, 11142, 19154, 22284, 28731, 37759, 38308, 57462, 75518, 86193, 97183, 113277, 114924, 151036, 172386, 194366, 226554, 291549, 339831, 344772, 388732, 453108, 583098, 679662, 874647, 1166196, 1359324, 1749294, 3498588, 5928163, 11856326, 17784489, 23712652, 35568978, 53353467, 71137956, 106706934, 213413868]

約数ペア:

[(1, 213413868), (2, 106706934), (3, 71137956), (4, 53353467), (6, 35568978), (9, 23712652), (12, 17784489), (18, 11856326), (36, 5928163), (61, 3498588), (122, 1749294), (157, 1359324), (183, 1166196), (244, 874647), (314, 679662), (366, 583098), (471, 453108), (549, 388732), (619, 344772), (628, 339831), (732, 291549), (942, 226554), (1098, 194366), (1238, 172386), (1413, 151036), (1857, 114924), (1884, 113277), (2196, 97183), (2476, 86193), (2826, 75518), (3714, 57462), (5571, 38308), (5652, 37759), (7428, 28731), (9577, 22284), (11142, 19154)]