217124908

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{211}}^1\times {\mathrm{257}}^1$

素因数の和:503

約数の個数: 96

約数和(自身を含む): 514579968

約数和(自身を除く): 297455060

約数列:

[1, 2, 4, 7, 11, 13, 14, 22, 26, 28, 44, 52, 77, 91, 143, 154, 182, 211, 257, 286, 308, 364, 422, 514, 572, 844, 1001, 1028, 1477, 1799, 2002, 2321, 2743, 2827, 2954, 3341, 3598, 4004, 4642, 5486, 5654, 5908, 6682, 7196, 9284, 10972, 11308, 13364, 16247, 19201, 19789, 23387, 30173, 32494, 36751, 38402, 39578, 46774, 54227, 60346, 64988, 73502, 76804, 79156, 93548, 108454, 120692, 147004, 211211, 216908, 257257, 379589, 422422, 514514, 596497, 704951, 759178, 844844, 1029028, 1192994, 1409902, 1518356, 2385988, 2819804, 4175479, 4934657, 7754461, 8350958, 9869314, 15508922, 16701916, 19738628, 31017844, 54281227, 108562454, 217124908]

約数ペア:

[(1, 217124908), (2, 108562454), (4, 54281227), (7, 31017844), (11, 19738628), (13, 16701916), (14, 15508922), (22, 9869314), (26, 8350958), (28, 7754461), (44, 4934657), (52, 4175479), (77, 2819804), (91, 2385988), (143, 1518356), (154, 1409902), (182, 1192994), (211, 1029028), (257, 844844), (286, 759178), (308, 704951), (364, 596497), (422, 514514), (514, 422422), (572, 379589), (844, 257257), (1001, 216908), (1028, 211211), (1477, 147004), (1799, 120692), (2002, 108454), (2321, 93548), (2743, 79156), (2827, 76804), (2954, 73502), (3341, 64988), (3598, 60346), (4004, 54227), (4642, 46774), (5486, 39578), (5654, 38402), (5908, 36751), (6682, 32494), (7196, 30173), (9284, 23387), (10972, 19789), (11308, 19201), (13364, 16247)]