31438894

素因数分解:

$2^1\times {\mathrm{89}}^1\times {\mathrm{347}}^1\times {\mathrm{509}}^1$

素因数の和:947

約数の個数: 16

約数和(自身を含む): 47919600

約数和(自身を除く): 16480706

約数列:

[1, 2, 89, 178, 347, 509, 694, 1018, 30883, 45301, 61766, 90602, 176623, 353246, 15719447, 31438894]

約数ペア:

[(1, 31438894), (2, 15719447), (89, 353246), (178, 176623), (347, 90602), (509, 61766), (694, 45301), (1018, 30883)]