161744492

素因数分解:

$2^2\times 7^2\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{257}}^1$

素因数の和:320

約数の個数: 108

約数和(自身を含む): 376767720

約数和(自身を除く): 215023228

約数列:

[1, 2, 4, 7, 13, 14, 19, 26, 28, 38, 49, 52, 76, 91, 98, 133, 169, 182, 196, 247, 257, 266, 338, 364, 494, 514, 532, 637, 676, 931, 988, 1028, 1183, 1274, 1729, 1799, 1862, 2366, 2548, 3211, 3341, 3458, 3598, 3724, 4732, 4883, 6422, 6682, 6916, 7196, 8281, 9766, 12103, 12593, 12844, 13364, 16562, 19532, 22477, 23387, 24206, 25186, 33124, 34181, 43433, 44954, 46774, 48412, 50372, 63479, 68362, 86866, 89908, 93548, 126958, 136724, 157339, 163709, 173732, 239267, 253916, 304031, 314678, 327418, 444353, 478534, 608062, 629356, 654836, 825227, 888706, 957068, 1216124, 1650454, 1777412, 2128217, 3110471, 3300908, 4256434, 5776589, 6220942, 8512868, 11553178, 12441884, 23106356, 40436123, 80872246, 161744492]

約数ペア:

[(1, 161744492), (2, 80872246), (4, 40436123), (7, 23106356), (13, 12441884), (14, 11553178), (19, 8512868), (26, 6220942), (28, 5776589), (38, 4256434), (49, 3300908), (52, 3110471), (76, 2128217), (91, 1777412), (98, 1650454), (133, 1216124), (169, 957068), (182, 888706), (196, 825227), (247, 654836), (257, 629356), (266, 608062), (338, 478534), (364, 444353), (494, 327418), (514, 314678), (532, 304031), (637, 253916), (676, 239267), (931, 173732), (988, 163709), (1028, 157339), (1183, 136724), (1274, 126958), (1729, 93548), (1799, 89908), (1862, 86866), (2366, 68362), (2548, 63479), (3211, 50372), (3341, 48412), (3458, 46774), (3598, 44954), (3724, 43433), (4732, 34181), (4883, 33124), (6422, 25186), (6682, 24206), (6916, 23387), (7196, 22477), (8281, 19532), (9766, 16562), (12103, 13364), (12593, 12844)]