253637629

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{571}}^1$

素因数の和:721

約数の個数: 32

約数和(自身を含む): 316293120

約数和(自身を除く): 62655491

約数列:

[1, 7, 23, 31, 89, 161, 217, 571, 623, 713, 2047, 2759, 3997, 4991, 13133, 14329, 17701, 19313, 50819, 63457, 91931, 123907, 355733, 407123, 444199, 1168837, 1575389, 2849861, 8181859, 11027723, 36233947, 253637629]

約数ペア:

[(1, 253637629), (7, 36233947), (23, 11027723), (31, 8181859), (89, 2849861), (161, 1575389), (217, 1168837), (571, 444199), (623, 407123), (713, 355733), (2047, 123907), (2759, 91931), (3997, 63457), (4991, 50819), (13133, 19313), (14329, 17701)]