201661478

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{139}}^1\times {\mathrm{523}}^1$

素因数の和:756

約数の個数: 32

約数和(自身を含む): 325718400

約数和(自身を除く): 124056922

約数列:

[1, 2, 19, 38, 73, 139, 146, 278, 523, 1046, 1387, 2641, 2774, 5282, 9937, 10147, 19874, 20294, 38179, 72697, 76358, 145394, 192793, 385586, 725401, 1381243, 1450802, 2762486, 5306881, 10613762, 100830739, 201661478]

約数ペア:

[(1, 201661478), (2, 100830739), (19, 10613762), (38, 5306881), (73, 2762486), (139, 1450802), (146, 1381243), (278, 725401), (523, 385586), (1046, 192793), (1387, 145394), (2641, 76358), (2774, 72697), (5282, 38179), (9937, 20294), (10147, 19874)]