12405575

素因数分解:

$5^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1$

素因数の和:97

約数の個数: 72

約数和(自身を含む): 20779920

約数和(自身を除く): 8374345

約数列:

[1, 5, 7, 13, 19, 25, 35, 41, 49, 65, 91, 95, 133, 175, 205, 245, 247, 287, 325, 455, 475, 533, 637, 665, 779, 931, 1025, 1225, 1235, 1435, 1729, 2009, 2275, 2665, 3185, 3325, 3731, 3895, 4655, 5453, 6175, 7175, 8645, 10045, 10127, 12103, 13325, 15925, 18655, 19475, 23275, 26117, 27265, 38171, 43225, 50225, 50635, 60515, 70889, 93275, 130585, 136325, 190855, 253175, 302575, 354445, 496223, 652925, 954275, 1772225, 2481115, 12405575]

約数ペア:

[(1, 12405575), (5, 2481115), (7, 1772225), (13, 954275), (19, 652925), (25, 496223), (35, 354445), (41, 302575), (49, 253175), (65, 190855), (91, 136325), (95, 130585), (133, 93275), (175, 70889), (205, 60515), (245, 50635), (247, 50225), (287, 43225), (325, 38171), (455, 27265), (475, 26117), (533, 23275), (637, 19475), (665, 18655), (779, 15925), (931, 13325), (1025, 12103), (1225, 10127), (1235, 10045), (1435, 8645), (1729, 7175), (2009, 6175), (2275, 5453), (2665, 4655), (3185, 3895), (3325, 3731)]