31198349

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1$

素因数の和:154

約数の個数: 48

約数和(自身を含む): 42977088

約数和(自身を除く): 11778739

約数列:

[1, 7, 13, 17, 43, 49, 67, 91, 119, 221, 301, 469, 559, 637, 731, 833, 871, 1139, 1547, 2107, 2881, 3283, 3913, 5117, 6097, 7973, 9503, 10829, 14807, 20167, 27391, 35819, 37453, 42679, 48977, 55811, 66521, 103649, 141169, 262171, 342839, 465647, 636701, 725543, 1835197, 2399873, 4456907, 31198349]

約数ペア:

[(1, 31198349), (7, 4456907), (13, 2399873), (17, 1835197), (43, 725543), (49, 636701), (67, 465647), (91, 342839), (119, 262171), (221, 141169), (301, 103649), (469, 66521), (559, 55811), (637, 48977), (731, 42679), (833, 37453), (871, 35819), (1139, 27391), (1547, 20167), (2107, 14807), (2881, 10829), (3283, 9503), (3913, 7973), (5117, 6097)]