218859008

素因数分解:

$2^9\times {\mathrm{31}}^1\times {\mathrm{13789}}^1$

素因数の和:13838

約数の個数: 40

約数和(自身を含む): 451429440

約数和(自身を除く): 232570432

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 128, 248, 256, 496, 512, 992, 1984, 3968, 7936, 13789, 15872, 27578, 55156, 110312, 220624, 427459, 441248, 854918, 882496, 1709836, 1764992, 3419672, 3529984, 6839344, 7059968, 13678688, 27357376, 54714752, 109429504, 218859008]

約数ペア:

[(1, 218859008), (2, 109429504), (4, 54714752), (8, 27357376), (16, 13678688), (31, 7059968), (32, 6839344), (62, 3529984), (64, 3419672), (124, 1764992), (128, 1709836), (248, 882496), (256, 854918), (496, 441248), (512, 427459), (992, 220624), (1984, 110312), (3968, 55156), (7936, 27578), (13789, 15872)]