25251018

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{137}}^1\times {\mathrm{139}}^1$

素因数の和:311

約数の個数: 64

約数和(自身を含む): 58423680

約数和(自身を除く): 33172662

約数列:

[1, 2, 3, 6, 13, 17, 26, 34, 39, 51, 78, 102, 137, 139, 221, 274, 278, 411, 417, 442, 663, 822, 834, 1326, 1781, 1807, 2329, 2363, 3562, 3614, 4658, 4726, 5343, 5421, 6987, 7089, 10686, 10842, 13974, 14178, 19043, 30277, 30719, 38086, 57129, 60554, 61438, 90831, 92157, 114258, 181662, 184314, 247559, 323731, 495118, 647462, 742677, 971193, 1485354, 1942386, 4208503, 8417006, 12625509, 25251018]

約数ペア:

[(1, 25251018), (2, 12625509), (3, 8417006), (6, 4208503), (13, 1942386), (17, 1485354), (26, 971193), (34, 742677), (39, 647462), (51, 495118), (78, 323731), (102, 247559), (137, 184314), (139, 181662), (221, 114258), (274, 92157), (278, 90831), (411, 61438), (417, 60554), (442, 57129), (663, 38086), (822, 30719), (834, 30277), (1326, 19043), (1781, 14178), (1807, 13974), (2329, 10842), (2363, 10686), (3562, 7089), (3614, 6987), (4658, 5421), (4726, 5343)]