30978374

素因数分解:

$2^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{15919}}^1$

素因数の和:16067

約数の個数: 16

約数和(自身を含む): 53491200

約数和(自身を除く): 22512826

約数列:

[1, 2, 7, 14, 139, 278, 973, 1946, 15919, 31838, 111433, 222866, 2212741, 4425482, 15489187, 30978374]

約数ペア:

[(1, 30978374), (2, 15489187), (7, 4425482), (14, 2212741), (139, 222866), (278, 111433), (973, 31838), (1946, 15919)]