217580328

素因数分解:

$2^3\times 3^2\times 7^1\times {\mathrm{431707}}^1$

素因数の和:431726

約数の個数: 48

約数和(自身を含む): 673464480

約数和(自身を除く): 455884152

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 28, 36, 42, 56, 63, 72, 84, 126, 168, 252, 504, 431707, 863414, 1295121, 1726828, 2590242, 3021949, 3453656, 3885363, 5180484, 6043898, 7770726, 9065847, 10360968, 12087796, 15541452, 18131694, 24175592, 27197541, 31082904, 36263388, 54395082, 72526776, 108790164, 217580328]

約数ペア:

[(1, 217580328), (2, 108790164), (3, 72526776), (4, 54395082), (6, 36263388), (7, 31082904), (8, 27197541), (9, 24175592), (12, 18131694), (14, 15541452), (18, 12087796), (21, 10360968), (24, 9065847), (28, 7770726), (36, 6043898), (42, 5180484), (56, 3885363), (63, 3453656), (72, 3021949), (84, 2590242), (126, 1726828), (168, 1295121), (252, 863414), (504, 431707)]