156638128

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{3761}}^1$

素因数の和:3925

約数の個数: 40

約数和(自身を含む): 321876720

約数和(自身を除く): 165238592

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 137, 152, 274, 304, 548, 1096, 2192, 2603, 3761, 5206, 7522, 10412, 15044, 20824, 30088, 41648, 60176, 71459, 142918, 285836, 515257, 571672, 1030514, 1143344, 2061028, 4122056, 8244112, 9789883, 19579766, 39159532, 78319064, 156638128]

約数ペア:

[(1, 156638128), (2, 78319064), (4, 39159532), (8, 19579766), (16, 9789883), (19, 8244112), (38, 4122056), (76, 2061028), (137, 1143344), (152, 1030514), (274, 571672), (304, 515257), (548, 285836), (1096, 142918), (2192, 71459), (2603, 60176), (3761, 41648), (5206, 30088), (7522, 20824), (10412, 15044)]