221501504

素因数分解:

$2^6\times 7^1\times {\mathrm{139}}^1\times {\mathrm{3557}}^1$

素因数の和:3715

約数の個数: 56

約数和(自身を含む): 506089920

約数和(自身を除く): 284588416

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 139, 224, 278, 448, 556, 973, 1112, 1946, 2224, 3557, 3892, 4448, 7114, 7784, 8896, 14228, 15568, 24899, 28456, 31136, 49798, 56912, 62272, 99596, 113824, 199192, 227648, 398384, 494423, 796768, 988846, 1593536, 1977692, 3460961, 3955384, 6921922, 7910768, 13843844, 15821536, 27687688, 31643072, 55375376, 110750752, 221501504]

約数ペア:

[(1, 221501504), (2, 110750752), (4, 55375376), (7, 31643072), (8, 27687688), (14, 15821536), (16, 13843844), (28, 7910768), (32, 6921922), (56, 3955384), (64, 3460961), (112, 1977692), (139, 1593536), (224, 988846), (278, 796768), (448, 494423), (556, 398384), (973, 227648), (1112, 199192), (1946, 113824), (2224, 99596), (3557, 62272), (3892, 56912), (4448, 49798), (7114, 31136), (7784, 28456), (8896, 24899), (14228, 15568)]