213540878

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{151}}^1\times {\mathrm{433}}^1$

素因数の和:680

約数の個数: 32

約数和(自身を含む): 341978112

約数和(自身を除く): 128437234

約数列:

[1, 2, 23, 46, 71, 142, 151, 302, 433, 866, 1633, 3266, 3473, 6946, 9959, 10721, 19918, 21442, 30743, 61486, 65383, 130766, 246583, 493166, 707089, 1414178, 1503809, 3007618, 4642193, 9284386, 106770439, 213540878]

約数ペア:

[(1, 213540878), (2, 106770439), (23, 9284386), (46, 4642193), (71, 3007618), (142, 1503809), (151, 1414178), (302, 707089), (433, 493166), (866, 246583), (1633, 130766), (3266, 65383), (3473, 61486), (6946, 30743), (9959, 21442), (10721, 19918)]