247707068

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{520393}}^1$

素因数の和:520421

約数の個数: 24

約数和(自身を含む): 524557152

約数和(自身を除く): 276850084

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 68, 119, 238, 476, 520393, 1040786, 2081572, 3642751, 7285502, 8846681, 14571004, 17693362, 35386724, 61926767, 123853534, 247707068]

約数ペア:

[(1, 247707068), (2, 123853534), (4, 61926767), (7, 35386724), (14, 17693362), (17, 14571004), (28, 8846681), (34, 7285502), (68, 3642751), (119, 2081572), (238, 1040786), (476, 520393)]