12970825

素因数分解:

$5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{83}}^1$

素因数の和:166

約数の個数: 48

約数和(自身を含む): 19998720

約数和(自身を除く): 7027895

約数列:

[1, 5, 7, 19, 25, 35, 47, 83, 95, 133, 175, 235, 329, 415, 475, 581, 665, 893, 1175, 1577, 1645, 2075, 2905, 3325, 3901, 4465, 6251, 7885, 8225, 11039, 14525, 19505, 22325, 27307, 31255, 39425, 55195, 74119, 97525, 136535, 156275, 275975, 370595, 518833, 682675, 1852975, 2594165, 12970825]

約数ペア:

[(1, 12970825), (5, 2594165), (7, 1852975), (19, 682675), (25, 518833), (35, 370595), (47, 275975), (83, 156275), (95, 136535), (133, 97525), (175, 74119), (235, 55195), (329, 39425), (415, 31255), (475, 27307), (581, 22325), (665, 19505), (893, 14525), (1175, 11039), (1577, 8225), (1645, 7885), (2075, 6251), (2905, 4465), (3325, 3901)]