217606428

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^2\times {\mathrm{47}}^1\times {\mathrm{761}}^1$

素因数の和:844

約数の個数: 108

約数和(自身を含む): 609100128

約数和(自身を除く): 391493700

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 47, 52, 78, 94, 117, 141, 156, 169, 188, 234, 282, 338, 423, 468, 507, 564, 611, 676, 761, 846, 1014, 1222, 1521, 1522, 1692, 1833, 2028, 2283, 2444, 3042, 3044, 3666, 4566, 5499, 6084, 6849, 7332, 7943, 9132, 9893, 10998, 13698, 15886, 19786, 21996, 23829, 27396, 29679, 31772, 35767, 39572, 47658, 59358, 71487, 71534, 89037, 95316, 107301, 118716, 128609, 142974, 143068, 178074, 214602, 257218, 285948, 321903, 356148, 385827, 429204, 464971, 514436, 643806, 771654, 929942, 1157481, 1287612, 1394913, 1543308, 1859884, 2314962, 2789826, 4184739, 4629924, 5579652, 6044623, 8369478, 12089246, 16738956, 18133869, 24178492, 36267738, 54401607, 72535476, 108803214, 217606428]

約数ペア:

[(1, 217606428), (2, 108803214), (3, 72535476), (4, 54401607), (6, 36267738), (9, 24178492), (12, 18133869), (13, 16738956), (18, 12089246), (26, 8369478), (36, 6044623), (39, 5579652), (47, 4629924), (52, 4184739), (78, 2789826), (94, 2314962), (117, 1859884), (141, 1543308), (156, 1394913), (169, 1287612), (188, 1157481), (234, 929942), (282, 771654), (338, 643806), (423, 514436), (468, 464971), (507, 429204), (564, 385827), (611, 356148), (676, 321903), (761, 285948), (846, 257218), (1014, 214602), (1222, 178074), (1521, 143068), (1522, 142974), (1692, 128609), (1833, 118716), (2028, 107301), (2283, 95316), (2444, 89037), (3042, 71534), (3044, 71487), (3666, 59358), (4566, 47658), (5499, 39572), (6084, 35767), (6849, 31772), (7332, 29679), (7943, 27396), (9132, 23829), (9893, 21996), (10998, 19786), (13698, 15886)]