28305272515

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{2083}}^1\times {\mathrm{11003}}^1$

素因数の和:13123

約数の個数: 32

約数和(自身を含む): 38526324480

約数和(自身を除く): 10221051965

約数列:

[1, 5, 13, 19, 65, 95, 247, 1235, 2083, 10415, 11003, 27079, 39577, 55015, 135395, 143039, 197885, 209057, 514501, 715195, 1045285, 2572505, 2717741, 13588705, 22919249, 114596245, 297950237, 435465731, 1489751185, 2177328655, 5661054503, 28305272515]

約数ペア:

[(1, 28305272515), (5, 5661054503), (13, 2177328655), (19, 1489751185), (65, 435465731), (95, 297950237), (247, 114596245), (1235, 22919249), (2083, 13588705), (10415, 2717741), (11003, 2572505), (27079, 1045285), (39577, 715195), (55015, 514501), (135395, 209057), (143039, 197885)]