72340961

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{197}}^1\times {\mathrm{251}}^1$

素因数の和:485

約数の個数: 32

約数和(自身を含む): 95800320

約数和(自身を除く): 23459359

約数列:

[1, 7, 11, 19, 77, 133, 197, 209, 251, 1379, 1463, 1757, 2167, 2761, 3743, 4769, 15169, 19327, 26201, 33383, 41173, 49447, 52459, 288211, 346129, 367213, 543917, 939493, 3807419, 6576451, 10334423, 72340961]

約数ペア:

[(1, 72340961), (7, 10334423), (11, 6576451), (19, 3807419), (77, 939493), (133, 543917), (197, 367213), (209, 346129), (251, 288211), (1379, 52459), (1463, 49447), (1757, 41173), (2167, 33383), (2761, 26201), (3743, 19327), (4769, 15169)]