139707988

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{4451}}^1$

素因数の和:4540

約数の個数: 48

約数和(自身を含む): 299174400

約数和(自身を除く): 159466412

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 59, 76, 118, 133, 236, 266, 413, 532, 826, 1121, 1652, 2242, 4451, 4484, 7847, 8902, 15694, 17804, 31157, 31388, 62314, 84569, 124628, 169138, 262609, 338276, 525218, 591983, 1050436, 1183966, 1838263, 2367932, 3676526, 4989571, 7353052, 9979142, 19958284, 34926997, 69853994, 139707988]

約数ペア:

[(1, 139707988), (2, 69853994), (4, 34926997), (7, 19958284), (14, 9979142), (19, 7353052), (28, 4989571), (38, 3676526), (59, 2367932), (76, 1838263), (118, 1183966), (133, 1050436), (236, 591983), (266, 525218), (413, 338276), (532, 262609), (826, 169138), (1121, 124628), (1652, 84569), (2242, 62314), (4451, 31388), (4484, 31157), (7847, 17804), (8902, 15694)]