12963979

素因数分解:

$7^2\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{197}}^1$

素因数の和:307

約数の個数: 24

約数和(自身を含む): 16251840

約数和(自身を除く): 3287861

約数列:

[1, 7, 17, 49, 79, 119, 197, 553, 833, 1343, 1379, 3349, 3871, 9401, 9653, 15563, 23443, 65807, 108941, 164101, 264571, 762587, 1851997, 12963979]

約数ペア:

[(1, 12963979), (7, 1851997), (17, 762587), (49, 264571), (79, 164101), (119, 108941), (197, 65807), (553, 23443), (833, 15563), (1343, 9653), (1379, 9401), (3349, 3871)]