215098886

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{193}}^1\times {\mathrm{211}}^1$

素因数の和:564

約数の個数: 32

約数和(自身を含む): 345475200

約数和(自身を除く): 130376314

約数列:

[1, 2, 19, 38, 139, 193, 211, 278, 386, 422, 2641, 3667, 4009, 5282, 7334, 8018, 26827, 29329, 40723, 53654, 58658, 81446, 509713, 557251, 773737, 1019426, 1114502, 1547474, 5660497, 11320994, 107549443, 215098886]

約数ペア:

[(1, 215098886), (2, 107549443), (19, 11320994), (38, 5660497), (139, 1547474), (193, 1114502), (211, 1019426), (278, 773737), (386, 557251), (422, 509713), (2641, 81446), (3667, 58658), (4009, 53654), (5282, 40723), (7334, 29329), (8018, 26827)]