221401768

素因数分解:

$2^3\times 7^1\times {\mathrm{67}}^1\times {\mathrm{59009}}^1$

素因数の和:59089

約数の個数: 32

約数和(自身を含む): 481521600

約数和(自身を除く): 260119832

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 67, 134, 268, 469, 536, 938, 1876, 3752, 59009, 118018, 236036, 413063, 472072, 826126, 1652252, 3304504, 3953603, 7907206, 15814412, 27675221, 31628824, 55350442, 110700884, 221401768]

約数ペア:

[(1, 221401768), (2, 110700884), (4, 55350442), (7, 31628824), (8, 27675221), (14, 15814412), (28, 7907206), (56, 3953603), (67, 3304504), (134, 1652252), (268, 826126), (469, 472072), (536, 413063), (938, 236036), (1876, 118018), (3752, 59009)]