30940784

素因数分解:

$2^4\times 7^1\times {\mathrm{276257}}^1$

素因数の和:276272

約数の個数: 20

約数和(自身を含む): 68511984

約数和(自身を除く): 37571200

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 276257, 552514, 1105028, 1933799, 2210056, 3867598, 4420112, 7735196, 15470392, 30940784]

約数ペア:

[(1, 30940784), (2, 15470392), (4, 7735196), (7, 4420112), (8, 3867598), (14, 2210056), (16, 1933799), (28, 1105028), (56, 552514), (112, 276257)]