216981492

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{198701}}^1$

素因数の和:198728

約数の個数: 48

約数和(自身を含む): 623129472

約数和(自身を除く): 406147980

約数列:

[1, 2, 3, 4, 6, 7, 12, 13, 14, 21, 26, 28, 39, 42, 52, 78, 84, 91, 156, 182, 273, 364, 546, 1092, 198701, 397402, 596103, 794804, 1192206, 1390907, 2384412, 2583113, 2781814, 4172721, 5166226, 5563628, 7749339, 8345442, 10332452, 15498678, 16690884, 18081791, 30997356, 36163582, 54245373, 72327164, 108490746, 216981492]

約数ペア:

[(1, 216981492), (2, 108490746), (3, 72327164), (4, 54245373), (6, 36163582), (7, 30997356), (12, 18081791), (13, 16690884), (14, 15498678), (21, 10332452), (26, 8345442), (28, 7749339), (39, 5563628), (42, 5166226), (52, 4172721), (78, 2781814), (84, 2583113), (91, 2384412), (156, 1390907), (182, 1192206), (273, 794804), (364, 596103), (546, 397402), (1092, 198701)]