66451778

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{151}}^1\times {\mathrm{313}}^1$

素因数の和:522

約数の個数: 32

約数和(自身を含む): 108819840

約数和(自身を除く): 42368062

約数列:

[1, 2, 19, 37, 38, 74, 151, 302, 313, 626, 703, 1406, 2869, 5587, 5738, 5947, 11174, 11581, 11894, 23162, 47263, 94526, 106153, 212306, 220039, 440078, 897997, 1748731, 1795994, 3497462, 33225889, 66451778]

約数ペア:

[(1, 66451778), (2, 33225889), (19, 3497462), (37, 1795994), (38, 1748731), (74, 897997), (151, 440078), (302, 220039), (313, 212306), (626, 106153), (703, 94526), (1406, 47263), (2869, 23162), (5587, 11894), (5738, 11581), (5947, 11174)]