81544085

素因数分解:

$5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{499}}^1$

素因数の和:570

約数の個数: 48

約数和(自身を含む): 123120000

約数和(自身を除く): 41575915

約数列:

[1, 5, 7, 23, 29, 35, 49, 115, 145, 161, 203, 245, 499, 667, 805, 1015, 1127, 1421, 2495, 3335, 3493, 4669, 5635, 7105, 11477, 14471, 17465, 23345, 24451, 32683, 57385, 72355, 80339, 101297, 122255, 163415, 332833, 401695, 506485, 562373, 709079, 1664165, 2329831, 2811865, 3545395, 11649155, 16308817, 81544085]

約数ペア:

[(1, 81544085), (5, 16308817), (7, 11649155), (23, 3545395), (29, 2811865), (35, 2329831), (49, 1664165), (115, 709079), (145, 562373), (161, 506485), (203, 401695), (245, 332833), (499, 163415), (667, 122255), (805, 101297), (1015, 80339), (1127, 72355), (1421, 57385), (2495, 32683), (3335, 24451), (3493, 23345), (4669, 17465), (5635, 14471), (7105, 11477)]