15778295

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{131}}^1$

素因数の和:275

約数の個数: 32

約数和(自身を含む): 21954240

約数和(自身を除く): 6175945

約数列:

[1, 5, 13, 17, 65, 85, 109, 131, 221, 545, 655, 1105, 1417, 1703, 1853, 2227, 7085, 8515, 9265, 11135, 14279, 24089, 28951, 71395, 120445, 144755, 185627, 242743, 928135, 1213715, 3155659, 15778295]

約数ペア:

[(1, 15778295), (5, 3155659), (13, 1213715), (17, 928135), (65, 242743), (85, 185627), (109, 144755), (131, 120445), (221, 71395), (545, 28951), (655, 24089), (1105, 14279), (1417, 11135), (1703, 9265), (1853, 8515), (2227, 7085)]