218458728

素因数分解:

$2^3\times 3^3\times {\mathrm{509}}^1\times {\mathrm{1987}}^1$

素因数の和:2511

約数の個数: 64

約数和(自身を含む): 608328000

約数和(自身を除く): 389869272

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 108, 216, 509, 1018, 1527, 1987, 2036, 3054, 3974, 4072, 4581, 5961, 6108, 7948, 9162, 11922, 12216, 13743, 15896, 17883, 18324, 23844, 27486, 35766, 36648, 47688, 53649, 54972, 71532, 107298, 109944, 143064, 214596, 429192, 1011383, 2022766, 3034149, 4045532, 6068298, 8091064, 9102447, 12136596, 18204894, 24273192, 27307341, 36409788, 54614682, 72819576, 109229364, 218458728]

約数ペア:

[(1, 218458728), (2, 109229364), (3, 72819576), (4, 54614682), (6, 36409788), (8, 27307341), (9, 24273192), (12, 18204894), (18, 12136596), (24, 9102447), (27, 8091064), (36, 6068298), (54, 4045532), (72, 3034149), (108, 2022766), (216, 1011383), (509, 429192), (1018, 214596), (1527, 143064), (1987, 109944), (2036, 107298), (3054, 71532), (3974, 54972), (4072, 53649), (4581, 47688), (5961, 36648), (6108, 35766), (7948, 27486), (9162, 23844), (11922, 18324), (12216, 17883), (13743, 15896)]