1329291904

素因数分解:

$2^7\times {\mathrm{31}}^1\times {\mathrm{521}}^1\times {\mathrm{643}}^1$

素因数の和:1209

約数の個数: 64

約数和(自身を含む): 2743130880

約数和(自身を除く): 1413838976

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 128, 248, 496, 521, 643, 992, 1042, 1286, 1984, 2084, 2572, 3968, 4168, 5144, 8336, 10288, 16151, 16672, 19933, 20576, 32302, 33344, 39866, 41152, 64604, 66688, 79732, 82304, 129208, 159464, 258416, 318928, 335003, 516832, 637856, 670006, 1033664, 1275712, 1340012, 2067328, 2551424, 2680024, 5360048, 10385093, 10720096, 20770186, 21440192, 41540372, 42880384, 83080744, 166161488, 332322976, 664645952, 1329291904]

約数ペア:

[(1, 1329291904), (2, 664645952), (4, 332322976), (8, 166161488), (16, 83080744), (31, 42880384), (32, 41540372), (62, 21440192), (64, 20770186), (124, 10720096), (128, 10385093), (248, 5360048), (496, 2680024), (521, 2551424), (643, 2067328), (992, 1340012), (1042, 1275712), (1286, 1033664), (1984, 670006), (2084, 637856), (2572, 516832), (3968, 335003), (4168, 318928), (5144, 258416), (8336, 159464), (10288, 129208), (16151, 82304), (16672, 79732), (19933, 66688), (20576, 64604), (32302, 41152), (33344, 39866)]