131661488

素因数分解:

$2^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{61871}}^1$

素因数の和:61905

約数の個数: 40

約数和(自身を含む): 306885120

約数和(自身を除く): 175223632

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 38, 56, 76, 112, 133, 152, 266, 304, 532, 1064, 2128, 61871, 123742, 247484, 433097, 494968, 866194, 989936, 1175549, 1732388, 2351098, 3464776, 4702196, 6929552, 8228843, 9404392, 16457686, 18808784, 32915372, 65830744, 131661488]

約数ペア:

[(1, 131661488), (2, 65830744), (4, 32915372), (7, 18808784), (8, 16457686), (14, 9404392), (16, 8228843), (19, 6929552), (28, 4702196), (38, 3464776), (56, 2351098), (76, 1732388), (112, 1175549), (133, 989936), (152, 866194), (266, 494968), (304, 433097), (532, 247484), (1064, 123742), (2128, 61871)]