12965225

素因数分解:

$5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{139}}^1$

素因数の和:210

約数の個数: 48

約数和(自身を含む): 20415360

約数和(自身を除く): 7450135

約数列:

[1, 5, 7, 13, 25, 35, 41, 65, 91, 139, 175, 205, 287, 325, 455, 533, 695, 973, 1025, 1435, 1807, 2275, 2665, 3475, 3731, 4865, 5699, 7175, 9035, 12649, 13325, 18655, 24325, 28495, 39893, 45175, 63245, 74087, 93275, 142475, 199465, 316225, 370435, 518609, 997325, 1852175, 2593045, 12965225]

約数ペア:

[(1, 12965225), (5, 2593045), (7, 1852175), (13, 997325), (25, 518609), (35, 370435), (41, 316225), (65, 199465), (91, 142475), (139, 93275), (175, 74087), (205, 63245), (287, 45175), (325, 39893), (455, 28495), (533, 24325), (695, 18655), (973, 13325), (1025, 12649), (1435, 9035), (1807, 7175), (2275, 5699), (2665, 4865), (3475, 3731)]