221180288

素因数分解:

$2^7\times 7^1\times {\mathrm{31}}^1\times {\mathrm{7963}}^1$

素因数の和:8015

約数の個数: 64

約数和(自身を含む): 519889920

約数和(自身を除く): 298709632

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 32, 56, 62, 64, 112, 124, 128, 217, 224, 248, 434, 448, 496, 868, 896, 992, 1736, 1984, 3472, 3968, 6944, 7963, 13888, 15926, 27776, 31852, 55741, 63704, 111482, 127408, 222964, 246853, 254816, 445928, 493706, 509632, 891856, 987412, 1019264, 1727971, 1783712, 1974824, 3455942, 3567424, 3949648, 6911884, 7134848, 7899296, 13823768, 15798592, 27647536, 31597184, 55295072, 110590144, 221180288]

約数ペア:

[(1, 221180288), (2, 110590144), (4, 55295072), (7, 31597184), (8, 27647536), (14, 15798592), (16, 13823768), (28, 7899296), (31, 7134848), (32, 6911884), (56, 3949648), (62, 3567424), (64, 3455942), (112, 1974824), (124, 1783712), (128, 1727971), (217, 1019264), (224, 987412), (248, 891856), (434, 509632), (448, 493706), (496, 445928), (868, 254816), (896, 246853), (992, 222964), (1736, 127408), (1984, 111482), (3472, 63704), (3968, 55741), (6944, 31852), (7963, 27776), (13888, 15926)]