216509876

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{227}}^1\times {\mathrm{409}}^1$

素因数の和:704

約数の個数: 48

約数和(自身を含む): 424025280

約数和(自身を除く): 207515404

約数列:

[1, 2, 4, 11, 22, 44, 53, 106, 212, 227, 409, 454, 583, 818, 908, 1166, 1636, 2332, 2497, 4499, 4994, 8998, 9988, 12031, 17996, 21677, 24062, 43354, 48124, 86708, 92843, 132341, 185686, 238447, 264682, 371372, 476894, 529364, 953788, 1021273, 2042546, 4085092, 4920679, 9841358, 19682716, 54127469, 108254938, 216509876]

約数ペア:

[(1, 216509876), (2, 108254938), (4, 54127469), (11, 19682716), (22, 9841358), (44, 4920679), (53, 4085092), (106, 2042546), (212, 1021273), (227, 953788), (409, 529364), (454, 476894), (583, 371372), (818, 264682), (908, 238447), (1166, 185686), (1636, 132341), (2332, 92843), (2497, 86708), (4499, 48124), (4994, 43354), (8998, 24062), (9988, 21677), (12031, 17996)]