261213303866

素因数分解:

$2^1\times {\mathrm{131}}^1\times {\mathrm{239}}^1\times {\mathrm{617}}^1\times {\mathrm{6761}}^1$

素因数の和:7750

約数の個数: 32

約数和(自身を含む): 397164176640

約数和(自身を除く): 135950872774

約数列:

[1, 2, 131, 239, 262, 478, 617, 1234, 6761, 13522, 31309, 62618, 80827, 147463, 161654, 294926, 885691, 1615879, 1771382, 3231758, 4171537, 8343074, 19317653, 38635306, 211680149, 423360298, 546471347, 996997343, 1092942694, 1993994686, 130606651933, 261213303866]

約数ペア:

[(1, 261213303866), (2, 130606651933), (131, 1993994686), (239, 1092942694), (262, 996997343), (478, 546471347), (617, 423360298), (1234, 211680149), (6761, 38635306), (13522, 19317653), (31309, 8343074), (62618, 4171537), (80827, 3231758), (147463, 1771382), (161654, 1615879), (294926, 885691)]