13267225

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1$

素因数の和:130

約数の個数: 48

約数和(自身を含む): 19284480

約数和(自身を除く): 6017255

約数列:

[1, 5, 17, 19, 25, 31, 53, 85, 95, 155, 265, 323, 425, 475, 527, 589, 775, 901, 1007, 1325, 1615, 1643, 2635, 2945, 4505, 5035, 8075, 8215, 10013, 13175, 14725, 17119, 22525, 25175, 27931, 31217, 41075, 50065, 85595, 139655, 156085, 250325, 427975, 530689, 698275, 780425, 2653445, 13267225]

約数ペア:

[(1, 13267225), (5, 2653445), (17, 780425), (19, 698275), (25, 530689), (31, 427975), (53, 250325), (85, 156085), (95, 139655), (155, 85595), (265, 50065), (323, 41075), (425, 31217), (475, 27931), (527, 25175), (589, 22525), (775, 17119), (901, 14725), (1007, 13175), (1325, 10013), (1615, 8215), (1643, 8075), (2635, 5035), (2945, 4505)]