215809328

素因数分解:

$2^4\times 7^2\times {\mathrm{71}}^1\times {\mathrm{3877}}^1$

素因数の和:3970

約数の個数: 60

約数和(自身を含む): 493374672

約数和(自身を除く): 277565344

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 71, 98, 112, 142, 196, 284, 392, 497, 568, 784, 994, 1136, 1988, 3479, 3877, 3976, 6958, 7754, 7952, 13916, 15508, 27139, 27832, 31016, 54278, 55664, 62032, 108556, 189973, 217112, 275267, 379946, 434224, 550534, 759892, 1101068, 1519784, 1926869, 2202136, 3039568, 3853738, 4404272, 7707476, 13488083, 15414952, 26976166, 30829904, 53952332, 107904664, 215809328]

約数ペア:

[(1, 215809328), (2, 107904664), (4, 53952332), (7, 30829904), (8, 26976166), (14, 15414952), (16, 13488083), (28, 7707476), (49, 4404272), (56, 3853738), (71, 3039568), (98, 2202136), (112, 1926869), (142, 1519784), (196, 1101068), (284, 759892), (392, 550534), (497, 434224), (568, 379946), (784, 275267), (994, 217112), (1136, 189973), (1988, 108556), (3479, 62032), (3877, 55664), (3976, 54278), (6958, 31016), (7754, 27832), (7952, 27139), (13916, 15508)]