211821064

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{290963}}^1$

素因数の和:290989

約数の個数: 32

約数和(自身を含む): 488819520

約数和(自身を除く): 276998456

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 91, 104, 182, 364, 728, 290963, 581926, 1163852, 2036741, 2327704, 3782519, 4073482, 7565038, 8146964, 15130076, 16293928, 26477633, 30260152, 52955266, 105910532, 211821064]

約数ペア:

[(1, 211821064), (2, 105910532), (4, 52955266), (7, 30260152), (8, 26477633), (13, 16293928), (14, 15130076), (26, 8146964), (28, 7565038), (52, 4073482), (56, 3782519), (91, 2327704), (104, 2036741), (182, 1163852), (364, 581926), (728, 290963)]