638786856532

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{5375003}}^1$

素因数の和:5375128

約数の個数: 48

約数和(自身を含む): 1269618944832

約数和(自身を除く): 630832088300

約数列:

[1, 2, 4, 11, 22, 37, 44, 73, 74, 146, 148, 292, 407, 803, 814, 1606, 1628, 2701, 3212, 5402, 10804, 29711, 59422, 118844, 5375003, 10750006, 21500012, 59125033, 118250066, 198875111, 236500132, 392375219, 397750222, 784750438, 795500444, 1569500876, 2187626221, 4316127409, 4375252442, 8632254818, 8750504884, 14517883103, 17264509636, 29035766206, 58071532412, 159696714133, 319393428266, 638786856532]

約数ペア:

[(1, 638786856532), (2, 319393428266), (4, 159696714133), (11, 58071532412), (22, 29035766206), (37, 17264509636), (44, 14517883103), (73, 8750504884), (74, 8632254818), (146, 4375252442), (148, 4316127409), (292, 2187626221), (407, 1569500876), (803, 795500444), (814, 784750438), (1606, 397750222), (1628, 392375219), (2701, 236500132), (3212, 198875111), (5402, 118250066), (10804, 59125033), (29711, 21500012), (59422, 10750006), (118844, 5375003)]