26378365

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1$

素因数の和:134

約数の個数: 48

約数和(自身を含む): 37946880

約数和(自身を除く): 11568515

約数列:

[1, 5, 13, 19, 31, 53, 65, 95, 155, 169, 247, 265, 403, 589, 689, 845, 1007, 1235, 1643, 2015, 2945, 3211, 3445, 5035, 5239, 7657, 8215, 8957, 13091, 16055, 21359, 26195, 31217, 38285, 44785, 65455, 99541, 106795, 156085, 170183, 277667, 405821, 497705, 850915, 1388335, 2029105, 5275673, 26378365]

約数ペア:

[(1, 26378365), (5, 5275673), (13, 2029105), (19, 1388335), (31, 850915), (53, 497705), (65, 405821), (95, 277667), (155, 170183), (169, 156085), (247, 106795), (265, 99541), (403, 65455), (589, 44785), (689, 38285), (845, 31217), (1007, 26195), (1235, 21359), (1643, 16055), (2015, 13091), (2945, 8957), (3211, 8215), (3445, 7657), (5035, 5239)]