25384456

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{137}}^1$

素因数の和:238

約数の個数: 64

約数和(自身を含む): 53654400

約数和(自身を除く): 28269944

約数列:

[1, 2, 4, 8, 19, 23, 38, 46, 53, 76, 92, 106, 137, 152, 184, 212, 274, 424, 437, 548, 874, 1007, 1096, 1219, 1748, 2014, 2438, 2603, 3151, 3496, 4028, 4876, 5206, 6302, 7261, 8056, 9752, 10412, 12604, 14522, 20824, 23161, 25208, 29044, 46322, 58088, 59869, 92644, 119738, 137959, 167003, 185288, 239476, 275918, 334006, 478952, 551836, 668012, 1103672, 1336024, 3173057, 6346114, 12692228, 25384456]

約数ペア:

[(1, 25384456), (2, 12692228), (4, 6346114), (8, 3173057), (19, 1336024), (23, 1103672), (38, 668012), (46, 551836), (53, 478952), (76, 334006), (92, 275918), (106, 239476), (137, 185288), (152, 167003), (184, 137959), (212, 119738), (274, 92644), (424, 59869), (437, 58088), (548, 46322), (874, 29044), (1007, 25208), (1096, 23161), (1219, 20824), (1748, 14522), (2014, 12604), (2438, 10412), (2603, 9752), (3151, 8056), (3496, 7261), (4028, 6302), (4876, 5206)]