289178857

素因数分解:

${\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{101}}^1\times {\mathrm{251}}^1$

素因数の和:441

約数の個数: 32

約数和(自身を含む): 344227968

約数和(自身を除く): 55049111

約数列:

[1, 11, 17, 61, 101, 187, 251, 671, 1037, 1111, 1717, 2761, 4267, 6161, 11407, 15311, 18887, 25351, 46937, 67771, 104737, 168421, 260287, 278861, 430967, 1152107, 1546411, 2863157, 4740637, 17010521, 26288987, 289178857]

約数ペア:

[(1, 289178857), (11, 26288987), (17, 17010521), (61, 4740637), (101, 2863157), (187, 1546411), (251, 1152107), (671, 430967), (1037, 278861), (1111, 260287), (1717, 168421), (2761, 104737), (4267, 67771), (6161, 46937), (11407, 25351), (15311, 18887)]