216171984

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{643369}}^1$

素因数の和:643387

約数の個数: 40

約数和(自身を含む): 638223040

約数和(自身を除く): 422051056

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 168, 336, 643369, 1286738, 1930107, 2573476, 3860214, 4503583, 5146952, 7720428, 9007166, 10293904, 13510749, 15440856, 18014332, 27021498, 30881712, 36028664, 54042996, 72057328, 108085992, 216171984]

約数ペア:

[(1, 216171984), (2, 108085992), (3, 72057328), (4, 54042996), (6, 36028664), (7, 30881712), (8, 27021498), (12, 18014332), (14, 15440856), (16, 13510749), (21, 10293904), (24, 9007166), (28, 7720428), (42, 5146952), (48, 4503583), (56, 3860214), (84, 2573476), (112, 1930107), (168, 1286738), (336, 643369)]