261978534

素因数分解:

$2^1\times 3^2\times {\mathrm{17}}^1\times {\mathrm{856139}}^1$

素因数の和:856164

約数の個数: 24

約数和(自身を含む): 601010280

約数和(自身を除く): 339031746

約数列:

[1, 2, 3, 6, 9, 17, 18, 34, 51, 102, 153, 306, 856139, 1712278, 2568417, 5136834, 7705251, 14554363, 15410502, 29108726, 43663089, 87326178, 130989267, 261978534]

約数ペア:

[(1, 261978534), (2, 130989267), (3, 87326178), (6, 43663089), (9, 29108726), (17, 15410502), (18, 14554363), (34, 7705251), (51, 5136834), (102, 2568417), (153, 1712278), (306, 856139)]