87663815

素因数分解:

$5^1\times {\mathrm{17}}^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1$

素因数の和:192

約数の個数: 48

約数和(自身を含む): 122603520

約数和(自身を除く): 34939705

約数列:

[1, 5, 17, 19, 31, 85, 95, 103, 155, 289, 323, 515, 527, 589, 1445, 1615, 1751, 1957, 2635, 2945, 3193, 5491, 8755, 8959, 9785, 10013, 15965, 27455, 29767, 33269, 44795, 50065, 54281, 60667, 148835, 166345, 170221, 271405, 303335, 565573, 851105, 922777, 1031339, 2827865, 4613885, 5156695, 17532763, 87663815]

約数ペア:

[(1, 87663815), (5, 17532763), (17, 5156695), (19, 4613885), (31, 2827865), (85, 1031339), (95, 922777), (103, 851105), (155, 565573), (289, 303335), (323, 271405), (515, 170221), (527, 166345), (589, 148835), (1445, 60667), (1615, 54281), (1751, 50065), (1957, 44795), (2635, 33269), (2945, 29767), (3193, 27455), (5491, 15965), (8755, 10013), (8959, 9785)]